A360832 - cp's OEIS frontend

A360832 Expansion of Sum_{k>=0} ( k * x / (1 - (k * x)^2) )^k.

n	a(n)
0	1
1	1
2	4
3	28
4	288
5	3855
6	63232
7	1227291
8	27511296
9	699389444
10	19880700928
11	624817997477
12	21512488648704
13	805233062024021
14	32556682898653184
15	1413981749074790444
16	65652661019642560512
17	3245240681196968168619
18	170146759140135777861632

[1, 1, 4, 28, 288, 3855, 63232, 1227291, 27511296, 699389444, 19880700928, 624817997477, 21512488648704, 805233062024021, 32556682898653184, 1413981749074790444, 65652661019642560512, 3245240681196968168619, 170146759140135777861632]

cp's OEIS Frontend

A360832 Expansion of Sum_{k>=0} ( k * x / (1 - (k * x)^2) )^k.

Table of values

List of values