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.

A371615 G.f. satisfies A(x) = ( 1 + x / (1 - x*A(x)^3)^2 )^2.

Table of values

n a(n)
0 1
1 2
2 5
3 34
4 222
5 1622
6 12559
7 100904
8 835322
9 7070574
10 60922335
11 532566850
12 4711614912
13 42106192680
14 379544358032
15 3446755447528
16 31504896429042
17 289619348156494
18 2675953520657839
19 24836797229730316
20 231461661673958896
21 2165002179076830442

List of values

[1, 2, 5, 34, 222, 1622, 12559, 100904, 835322, 7070574, 60922335, 532566850, 4711614912, 42106192680, 379544358032, 3446755447528, 31504896429042, 289619348156494, 2675953520657839, 24836797229730316, 231461661673958896, 2165002179076830442]