A283242 - cp's OEIS frontend

A283242 Expansion of exp( Sum_{n>=1} -sigma_2(2n)x^n/n ) in powers of x.

n	a(n)
0	1
1	-5
2	2
3	15
4	12
5	-36
6	-92
7	-17
8	167
9	358
10	283
11	-293
12	-1321
13	-2012
14	-1101
15	2299
16	7296
17	10505
18	6901
19	-7705
20	-31240
21	-52490
22	-51336
23	-6032
24	91521
25	217064
26	303776
27	250595
28	-36282
29	-575622
30	-1234465
31	-1684515
32	-1448538
33	-66980
34	2610835
35	6087681
36	8990575

[1, -5, 2, 15, 12, -36, -92, -17, 167, 358, 283, -293, -1321, -2012, -1101, 2299, 7296, 10505, 6901, -7705, -31240, -52490, -51336, -6032, 91521, 217064, 303776, 250595, -36282, -575622, -1234465, -1684515, -1448538, -66980, 2610835, 6087681, 8990575]

cp's OEIS Frontend

A283242 Expansion of exp( Sum_{n>=1} -sigma_2(2n)x^n/n ) in powers of x.

Table of values

List of values

cp's OEIS Frontend

A283242 Expansion of exp( Sum_{n>=1} -sigma_2(2*n)*x^n/n ) in powers of x.

Table of values

List of values

A283242 Expansion of exp( Sum_{n>=1} -sigma_2(2n)x^n/n ) in powers of x.