A360747 - cp's OEIS frontend

A360747 Expansion of Sum_{k>=0} (x * (1 + (k * x)^3))^k.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	17
6	82
7	257
8	690
9	3484
10	26978
11	160347
12	726085
13	3529206
14	26885924
15	220706533
16	1474182023
17	8834370165
18	65392181686
19	604821608674
20	5230627589958
21	39543579302104
22	312733691925723
23	3013530105191283
24	30474809255061289

[1, 1, 1, 1, 2, 17, 82, 257, 690, 3484, 26978, 160347, 726085, 3529206, 26885924, 220706533, 1474182023, 8834370165, 65392181686, 604821608674, 5230627589958, 39543579302104, 312733691925723, 3013530105191283, 30474809255061289]

cp's OEIS Frontend

A360747 Expansion of Sum_{k>=0} (x * (1 + (k * x)^3))^k.

Table of values

List of values