A352986 - cp's OEIS frontend

A352986 a(n) = Sum_{k=0..floor(n/3)} k^(3(n-3k)).

n	a(n)
0	1
1	0
2	0
3	1
4	1
5	1
6	2
7	9
8	65
9	514
10	4124
11	33498
12	281829
13	2628658
14	31130220
15	521900363
16	11550872369
17	292093228523
18	7763038391586
19	210839178560483
20	5844964107402065
21	168148032885913260
22	5206234971937519704
23	183267822341124743772
24	7684147885975909244473

[1, 0, 0, 1, 1, 1, 2, 9, 65, 514, 4124, 33498, 281829, 2628658, 31130220, 521900363, 11550872369, 292093228523, 7763038391586, 210839178560483, 5844964107402065, 168148032885913260, 5206234971937519704, 183267822341124743772, 7684147885975909244473]

cp's OEIS Frontend

A352986 a(n) = Sum_{k=0..floor(n/3)} k^(3(n-3k)).

Table of values

List of values

cp's OEIS Frontend

A352986 a(n) = Sum_{k=0..floor(n/3)} k^(3*(n-3*k)).

Table of values

List of values

A352986 a(n) = Sum_{k=0..floor(n/3)} k^(3(n-3k)).