A283243 - cp's OEIS frontend

A283243 Expansion of exp( Sum_{n>=1} -sigma_2(3n)x^n/n ) in powers of x.

n	a(n)
0	1
1	-10
2	25
3	53
4	-270
5	-77
6	1057
7	610
8	-2031
9	-5438
10	-1953
11	17236
12	34121
13	3351
14	-103369
15	-195850
16	-55471
17	468448
18	1067785
19	764094
20	-1430780
21	-4974559
22	-6242563
23	334620
24	16946199
25	34459888
26	29243953
27	-24503978
28	-124514921
29	-205795663
30	-140256312
31	191109263

[1, -10, 25, 53, -270, -77, 1057, 610, -2031, -5438, -1953, 17236, 34121, 3351, -103369, -195850, -55471, 468448, 1067785, 764094, -1430780, -4974559, -6242563, 334620, 16946199, 34459888, 29243953, -24503978, -124514921, -205795663, -140256312, 191109263]

cp's OEIS Frontend

A283243 Expansion of exp( Sum_{n>=1} -sigma_2(3n)x^n/n ) in powers of x.

Table of values

List of values

cp's OEIS Frontend

A283243 Expansion of exp( Sum_{n>=1} -sigma_2(3*n)*x^n/n ) in powers of x.

Table of values

List of values

A283243 Expansion of exp( Sum_{n>=1} -sigma_2(3n)x^n/n ) in powers of x.