A293954 First differences of A055612.

1, 4, 26, 318, 8362, 518136, 79762944, 31347878526, 31875040276682, 84415672202652576, 584440009839756835096, 10604211348847550536329728, 505234836942870203845022012928, 63320076924994011498092218964764672, 20908605974267058444111310750652481533952

Offset: 0

Author

N. J. A. Sloane, Oct 30 2017, following a suggestion from Joerg Arndt

Keywords

• nonn

Links

• Robert Israel, Table of n, a(n) for n = 0..68

Crossrefs

Cf. A055612, A217716, A293955.

Programs

Maple

A055612:= n -> mul(binomial(n,m)+1,m=1..n):
seq(A055612(n+1)-A055612(n),n=0..20); # Robert Israel, Oct 30 2017

Mathematica

Differences@ Array[Product[1 + Binomial[#, m], {m, #}] &, 16, 0] (* Michael De Vlieger, Oct 30 2017 *)