A383207 - cp's OEIS frontend

A383207 Expansion of e.g.f. (exp(f(x)) - 1)^2 / 2, where f(x) = (exp(2*x) - 1)/2.

n	a(n)
0	0
1	0
2	1
3	9
4	71
5	575
6	4957
7	45829
8	454015
9	4804191
10	54094749
11	645720757
12	8142419727
13	108110708511
14	1506969153757
15	21993472779461
16	335257957315199
17	5325979566073919
18	87999598425114045
19	1509471498829147637
20	26835040585117438415
21	493677094649876461759
22	9384926300821643459133

[0, 0, 1, 9, 71, 575, 4957, 45829, 454015, 4804191, 54094749, 645720757, 8142419727, 108110708511, 1506969153757, 21993472779461, 335257957315199, 5325979566073919, 87999598425114045, 1509471498829147637, 26835040585117438415, 493677094649876461759, 9384926300821643459133]

cp's OEIS Frontend

A383207 Expansion of e.g.f. (exp(f(x)) - 1)^2 / 2, where f(x) = (exp(2*x) - 1)/2.

Table of values

List of values