W_{3,156}=1 + alpha*y^39 + (205976715344400 - 39*alpha)*y^42 + (22043892260528320 + 741*alpha)*y^45 + (2344935672239760600 - 9139*alpha)*y^48 + (183128636267421365664 + 82251*alpha)*y^51 + (11077561198749436270880 - 575757*alpha)*y^54 + (520002763437626332250400 + 3262623*alpha)*y^57 + (19067790006592643624948640 - 15380937*alpha)*y^60 + (548846095334397775935820800 + 61523748*alpha)*y^63 + (12451323663518870651180554440 - 211915132*alpha)*y^66 + (223350990650649233582808998400 + 635745396*alpha)*y^69 + (3175598703285424990024537486400 - 1676056044*alpha)*y^72 + (35848500158601020891936594410752 + 3910797436*alpha)*y^75 + (321635631100265793039842365472640 - 8122425444*alpha)*y^78 + (2294304010387581266663629073249216 + 15084504396*alpha)*y^81 + (13007252281835149176409838351884800 - 25140840660*alpha)*y^84 + (58550122257580085210904199402828800 + 37711260990*alpha)*y^87 + (208898543109744486060383328305145120 - 51021117810*alpha)*y^90 + (589319071725920275051361757717609600 + 62359143990*alpha)*y^93 + (1310327528404937406783829787402985960 - 68923264410*alpha)*y^96 + (2287010208392158770382753226899730400 + 68923264410*alpha)*y^99 + (3117899531627651737634860847977882560 - 62359143990*alpha)*y^102 + (3300389629040393513775512971473644352 + 51021117810*alpha)*y^105 + (2693258646320211467821602907703275200 - 37711260990*alpha)*y^108 + (1680052351617437096836965669582781440 + 25140840660*alpha)*y^111 + (793131374990100359279837914102159200 - 15084504396*alpha)*y^114 + (280018396490548712533948308526675200 + 8122425444*alpha)*y^117 + (72898109258720736056645228301812160 - 3910797436*alpha)*y^120 + (13759587077093802781136189032416000 + 1676056044*alpha)*y^123 + (1845095105196143589565407049747328 - 635745396*alpha)*y^126 + (171467820158428615779428329218360 + 211915132*alpha)*y^129 + (10709301744894544065976139146800 - 61523748*alpha)*y^132 + (432436847952008124280102727680 + 15380937*alpha)*y^135 + (10736853062742024381509346000 - 3262623*alpha)*y^138 + (153266223039408977948049600 + 575757*alpha)*y^141 + (1144754219076350117781000 - 82251*alpha)*y^144 + (3884515097462770399200 + 9139*alpha)*y^147 + (4735779375822182688 - 741*alpha)*y^150 + (1254728242287520 + 39*alpha)*y^153 + (987371076768 - alpha)*y^156