A301542 - cp's OEIS frontend

A301542 Expansion of Product_{k>=1} 1/(1 - x^k)^(sigma_4(k)).

n	a(n)
0	1
1	1
2	18
3	100
4	526
5	2546
6	12953
7	60929
8	282194
9	1265959
10	5580958
11	24057117
12	101922204
13	424244720
14	1739362261
15	7027590168
16	28017627428
17	110295521903
18	429110693519
19	1650961520518
20	6285554480496
21	23693047787961
22	88469251486817
23	327380976530282
24	1201122749057307

[1, 1, 18, 100, 526, 2546, 12953, 60929, 282194, 1265959, 5580958, 24057117, 101922204, 424244720, 1739362261, 7027590168, 28017627428, 110295521903, 429110693519, 1650961520518, 6285554480496, 23693047787961, 88469251486817, 327380976530282, 1201122749057307]

cp's OEIS Frontend

A301542 Expansion of Product_{k>=1} 1/(1 - x^k)^(sigma_4(k)).

Table of values

List of values