cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A248870 Satisfies Sum_{n>=0} a(n)*x^n = x / Product_{n>=0} (1 - x^n/(1 - x^n))^a(n).

Table of values

n a(n)
0 0
1 1
2 1
3 3
4 8
5 23
6 62
7 181
8 513
9 1513
10 4476
11 13483
12 40933
13 125845
14 389769
15 1217590
16 3828775
17 12115966
18 38546124
19 123238296
20 395725493
21 1275733730
22 4127339091
23 13396443708
24 43610621823
25 142354979662
26 465838195260
27 1527905193504
28 5022061115901
29 16539625666670
30 54571760414658

List of values

[0, 1, 1, 3, 8, 23, 62, 181, 513, 1513, 4476, 13483, 40933, 125845, 389769, 1217590, 3828775, 12115966, 38546124, 123238296, 395725493, 1275733730, 4127339091, 13396443708, 43610621823, 142354979662, 465838195260, 1527905193504, 5022061115901, 16539625666670, 54571760414658]