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.

A348878 G.f. A(x) satisfies: A(x) = 1 / (1 - x - x^2 * A(2*x)).

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 17
5 74
6 429
7 3297
8 34578
9 495573
10 9888497
11 274123802
12 10685538941
13 583079000129
14 44945515778914
15 4867082587900837
16 746167748281132753
17 160981861948404281578
18 49223569713040994430285
19 21198824279482430844823713
20 12946110661470835825027893426

List of values

[1, 1, 2, 5, 17, 74, 429, 3297, 34578, 495573, 9888497, 274123802, 10685538941, 583079000129, 44945515778914, 4867082587900837, 746167748281132753, 160981861948404281578, 49223569713040994430285, 21198824279482430844823713, 12946110661470835825027893426]

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

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