A291108 - cp's OEIS frontend

A291108 Expansion of Sum_{k>=2} k^2x^(2k)/(1 - x^k).

n	a(n)
1	0
2	0
3	0
4	4
5	0
6	13
7	0
8	20
9	9
10	29
11	0
12	65
13	0
14	53
15	34
16	84
17	0
18	130
19	0
20	145
21	58
22	125
23	0
24	273
25	25
26	173
27	90
28	265
29	0
30	399
31	0
32	340
33	130
34	293
35	74
36	614
37	0
38	365
39	178
40	609
41	0
42	735
43	0
44	625
45	340
46	533
47	0
48	1105
49	49
50	754
51	298
52	865
53	0
54	1183
55	146
56	1113
57	370
58	845
59	0
60	1859
61	0
62	965
63	580
64	1364
65	194
66	1743
67	0
68	1465
69	538
70	1599
71	0
72	2550
73	0
74	1373
75	884

[0, 0, 0, 4, 0, 13, 0, 20, 9, 29, 0, 65, 0, 53, 34, 84, 0, 130, 0, 145, 58, 125, 0, 273, 25, 173, 90, 265, 0, 399, 0, 340, 130, 293, 74, 614, 0, 365, 178, 609, 0, 735, 0, 625, 340, 533, 0, 1105, 49, 754, 298, 865, 0, 1183, 146, 1113, 370, 845, 0, 1859, 0, 965, 580, 1364, 194, 1743, 0, 1465, 538, 1599, 0, 2550, 0, 1373, 884]

cp's OEIS Frontend

A291108 Expansion of Sum_{k>=2} k^2x^(2k)/(1 - x^k).

Table of values

List of values

cp's OEIS Frontend

A291108 Expansion of Sum_{k>=2} k^2*x^(2*k)/(1 - x^k).

Table of values

List of values

A291108 Expansion of Sum_{k>=2} k^2x^(2k)/(1 - x^k).