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.

A369011 Expansion of (1/x) * Series_Reversion( x * (1-x^3/(1-x))^2 ).

Table of values

n a(n)
0 1
1 0
2 0
3 2
4 2
5 2
6 17
7 36
8 59
9 240
10 669
11 1452
12 4538
13 13574
14 34505
15 99816
16 299112
17 825768
18 2364715
19 7023466
20 20182611
21 58327250
22 172491553
23 505163444
24 1476966513
25 4370772096
26 12924382671
27 38149522136
28 113266357609
29 336894290910
30 1001473479313
31 2985508193930

List of values

[1, 0, 0, 2, 2, 2, 17, 36, 59, 240, 669, 1452, 4538, 13574, 34505, 99816, 299112, 825768, 2364715, 7023466, 20182611, 58327250, 172491553, 505163444, 1476966513, 4370772096, 12924382671, 38149522136, 113266357609, 336894290910, 1001473479313, 2985508193930]

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

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