A302238 - cp's OEIS frontend

A302238 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^prime(k).

n	a(n)
0	1
1	4
2	14
3	46
4	136
5	382
6	1022
7	2626
8	6530
9	15784
10	37218
11	85842
12	194146
13	431358
14	943038
15	2031454
16	4316884
17	9058662
18	18787730
19	38542526
20	78264298
21	157403290
22	313712482
23	619919350
24	1215125262
25	2363570168
26	4563951858
27	8751621598
28	16670498062
29	31553539214
30	59361428202

[1, 4, 14, 46, 136, 382, 1022, 2626, 6530, 15784, 37218, 85842, 194146, 431358, 943038, 2031454, 4316884, 9058662, 18787730, 38542526, 78264298, 157403290, 313712482, 619919350, 1215125262, 2363570168, 4563951858, 8751621598, 16670498062, 31553539214, 59361428202]

cp's OEIS Frontend

A302238 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^prime(k).

Table of values

List of values