A079491 - cp's OEIS frontend

A079491 Numerator of Sum_{k=0..n} binomial(n,k)/2^(k*(k-1)/2).

n	a(n)
0	1
1	2
2	7
3	45
4	545
5	12625
6	564929
7	49162689
8	8361575425
9	2789624383745
10	1830776926245889
11	2368773751202917377
12	6053217182280501452801
13	30595465072175429929979905
14	306239118989330960523869667329
15	6076268165073202122463201684865025

[1, 2, 7, 45, 545, 12625, 564929, 49162689, 8361575425, 2789624383745, 1830776926245889, 2368773751202917377, 6053217182280501452801, 30595465072175429929979905, 306239118989330960523869667329, 6076268165073202122463201684865025]

cp's OEIS Frontend

A079491 Numerator of Sum_{k=0..n} binomial(n,k)/2^(k*(k-1)/2).

Table of values

List of values