A364013 - cp's OEIS frontend

A364013 Expansion of Sum_{k>0} k^2 * x^k / (1 + x^(3*k)).

n	a(n)
1	1
2	4
3	9
4	15
5	25
6	36
7	50
8	60
9	81
10	99
11	121
12	135
13	170
14	200
15	225
16	239
17	289
18	324
19	362
20	371
21	450
22	483
23	529
24	540
25	626
26	680
27	729
28	750
29	841
30	891
31	962
32	956
33	1089
34	1155
35	1250
36	1215
37	1370
38	1448
39	1530
40	1483
41	1681
42	1800
43	1850
44	1811
45	2025
46	2115
47	2209
48	2151
49	2451
50	2479
51	2601
52	2550
53	2809
54	2916
55	3026

[1, 4, 9, 15, 25, 36, 50, 60, 81, 99, 121, 135, 170, 200, 225, 239, 289, 324, 362, 371, 450, 483, 529, 540, 626, 680, 729, 750, 841, 891, 962, 956, 1089, 1155, 1250, 1215, 1370, 1448, 1530, 1483, 1681, 1800, 1850, 1811, 2025, 2115, 2209, 2151, 2451, 2479, 2601, 2550, 2809, 2916, 3026]

cp's OEIS Frontend

A364013 Expansion of Sum_{k>0} k^2 * x^k / (1 + x^(3*k)).

Table of values

List of values