A171777 - cp's OEIS frontend

A171777 E.g.f.: A(x) = exp( Sum_{n>=1} 2^(n(n-1)/2) * x^n/n ).

n	a(n)
0	1
1	1
2	3
3	23
4	473
5	27057
6	4102027
7	1539365191
8	1365364095921
9	2783117747148641
10	12795599930746180499
11	130882205973999096722679
12	2946911413331842739385098377
13	144807670567304192694224250060817
14	15419384323650924141916096692523710747

[1, 1, 3, 23, 473, 27057, 4102027, 1539365191, 1365364095921, 2783117747148641, 12795599930746180499, 130882205973999096722679, 2946911413331842739385098377, 144807670567304192694224250060817, 15419384323650924141916096692523710747]

cp's OEIS Frontend

A171777 E.g.f.: A(x) = exp( Sum_{n>=1} 2^(n(n-1)/2) * x^n/n ).

Table of values

List of values