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.

A113225 a(2n) = A011900(n), a(2n+1) = A001109(n+1).

Table of values

n a(n)
0 1
1 1
2 3
3 6
4 15
5 35
6 85
7 204
8 493
9 1189
10 2871
11 6930
12 16731
13 40391
14 97513
15 235416
16 568345
17 1372105
18 3312555
19 7997214
20 19306983
21 46611179
22 112529341
23 271669860
24 655869061
25 1583407981
26 3822685023
27 9228778026
28 22280241075
29 53789260175

List of values

[1, 1, 3, 6, 15, 35, 85, 204, 493, 1189, 2871, 6930, 16731, 40391, 97513, 235416, 568345, 1372105, 3312555, 7997214, 19306983, 46611179, 112529341, 271669860, 655869061, 1583407981, 3822685023, 9228778026, 22280241075, 53789260175]

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

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