G.f. of the z^1 coefficients of the FP2 in the second column of the A156925 matrix.

A156934

G.f. of the z^1 coefficients of the FP2 in the second column of the A156925 matrix.

Terms

    a(0) =1a(1) =8a(2) =38a(3) =144a(4) =487a(5) =1552a(6) =4796a(7) =14592a(8) =44061a(9) =132568a(10) =398210a(11) =1195280a(12) =3586659a(13) =10760992a(14) =32284216a(15) =96854144a(16) =290564217a(17) =871694760a(18) =2615086750a(19) =7845263120a(20) =23535792671a(21) =70607381808

External references