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.

A349287 G.f. A(x) satisfies: A(x) = 1 / (1 - x * A(4*x)^2).

Table of values

n a(n)
0 1
1 1
2 9
3 321
4 42937
5 22259313
6 45726174057
7 374866565186721
8 12285883413435994137
9 1610409077693221284887505
10 844327818646575560326075164105
11 1770688839714867344554954935264852993
12 14853625190589908388648838739441430566681721

List of values

[1, 1, 9, 321, 42937, 22259313, 45726174057, 374866565186721, 12285883413435994137, 1610409077693221284887505, 844327818646575560326075164105, 1770688839714867344554954935264852993, 14853625190589908388648838739441430566681721]

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

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