A185653 - cp's OEIS frontend

A185653 Expansion of exp( Sum_{n>=1} -3sigma(2n)x^n/n ) in powers of x.

n	a(n)
0	1
1	-9
2	30
3	-39
4	0
5	18
6	49
7	0
8	-192
9	110
10	81
11	78
12	-130
13	0
14	-30
15	-121
16	0
17	210
18	320
19	-270
20	0
21	-407
22	0
23	192
24	190
25	0
26	0
27	0
28	351
29	-210
30	-418
31	0
32	-510
33	448
34	0
35	462
36	611
37	0
38	-960
39	50
40	0
41	0
42	-350
43	0
44	450
45	-361
46	-162
47	960
48	0
49	0
50	798
51	-782
52	0
53	-1170
54	-290
55	-441
56	702
57	850
58	0
59	0
60	576

[1, -9, 30, -39, 0, 18, 49, 0, -192, 110, 81, 78, -130, 0, -30, -121, 0, 210, 320, -270, 0, -407, 0, 192, 190, 0, 0, 0, 351, -210, -418, 0, -510, 448, 0, 462, 611, 0, -960, 50, 0, 0, -350, 0, 450, -361, -162, 960, 0, 0, 798, -782, 0, -1170, -290, -441, 702, 850, 0, 0, 576]

cp's OEIS Frontend

A185653 Expansion of exp( Sum_{n>=1} -3sigma(2n)x^n/n ) in powers of x.

Table of values

List of values

cp's OEIS Frontend

A185653 Expansion of exp( Sum_{n>=1} -3*sigma(2n)*x^n/n ) in powers of x.

Table of values

List of values

A185653 Expansion of exp( Sum_{n>=1} -3sigma(2n)x^n/n ) in powers of x.