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.

A290261 Write 1 - x/(1-x) as an inverse power product 1/(1 + a(1)*x) * 1/(1 + a(2)*x^2) * 1/(1 + a(3)*x^3) * 1/(1 + a(4)*x^4) * ...

Table of values

n a(n)
1 1
2 2
3 2
4 6
5 6
6 10
7 18
8 54
9 54
10 114
11 186
12 334
13 630
14 1314
15 2106
16 5910
17 7710
18 15642
19 27594
20 57798
21 97902
22 207762
23 364722
24 712990
25 1340622
26 2778930
27 4918482
28 10437702
29 18512790
30 37500858
31 69273666
32 154021590
33 258155910
34 535004610
35 981288906

List of values

[1, 2, 2, 6, 6, 10, 18, 54, 54, 114, 186, 334, 630, 1314, 2106, 5910, 7710, 15642, 27594, 57798, 97902, 207762, 364722, 712990, 1340622, 2778930, 4918482, 10437702, 18512790, 37500858, 69273666, 154021590, 258155910, 535004610, 981288906]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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