A293955 Partial sums of A055612.

1, 3, 9, 41, 391, 9103, 535951, 80825743, 31508994061, 31937977439061, 84479516648536637, 584608936935076469309, 10605380482241904040731709, 505256047119225750718027007037, 63321087426482869467351750978047037, 20908732615936655362731019703436410620989

Offset: 0

Author

N. J. A. Sloane, Oct 30 2017

Keywords

• nonn

Links

• Robert Israel, Table of n, a(n) for n = 0..69

Crossrefs

Cf. A055612, A217716, A293954.

Programs

Maple

ListTools:-PartialSums([seq(mul(binomial(n,m)+1,m=1..n),n=0..20)]); # Robert Israel, Oct 30 2017

Mathematica

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