A360816 - cp's OEIS frontend

A360816 Expansion of Sum_{k>=0} (kx)^(2k) / (1 - k*x)^(k+1).

n	a(n)
0	1
1	0
2	1
3	2
4	19
5	100
6	1118
7	10034
8	134993
9	1715140
10	27589661
11	449763360
12	8522965956
13	168431719308
14	3698624353289
15	85523954588806
16	2142927489388319
17	56618555339223572
18	1596938935380604858
19	47399670488829289678
20	1487559109670284821841

[1, 0, 1, 2, 19, 100, 1118, 10034, 134993, 1715140, 27589661, 449763360, 8522965956, 168431719308, 3698624353289, 85523954588806, 2142927489388319, 56618555339223572, 1596938935380604858, 47399670488829289678, 1487559109670284821841]

cp's OEIS Frontend

A360816 Expansion of Sum_{k>=0} (kx)^(2k) / (1 - k*x)^(k+1).

Table of values

List of values

cp's OEIS Frontend

A360816 Expansion of Sum_{k>=0} (k*x)^(2*k) / (1 - k*x)^(k+1).

Table of values

List of values

A360816 Expansion of Sum_{k>=0} (kx)^(2k) / (1 - k*x)^(k+1).