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.

A368970 Expansion of (1/x) * Series_Reversion( x * (1-x+x^3)^2 ).

Table of values

n a(n)
0 1
1 2
2 7
3 28
4 121
5 546
6 2531
7 11934
8 56867
9 272580
10 1309505
11 6285630
12 30057195
13 142754008
14 671062828
15 3108766166
16 14108600499
17 62170980416
18 262108536781
19 1027886900446
20 3509371721163
21 8204350476210
22 -12172347463045
23 -361684831407060
24 -3497893818262311

List of values

[1, 2, 7, 28, 121, 546, 2531, 11934, 56867, 272580, 1309505, 6285630, 30057195, 142754008, 671062828, 3108766166, 14108600499, 62170980416, 262108536781, 1027886900446, 3509371721163, 8204350476210, -12172347463045, -361684831407060, -3497893818262311]

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

Content is available under The OEIS End-User License Agreement.