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.

A088657 Except for initial 0, same as A005213.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 3
5 2
6 7
7 6
8 19
9 16
10 51
11 45
12 141
13 126
14 393
15 357
16 1107
17 1016
18 3139
19 2907
20 8953

List of values

[0, 0, 1, 1, 3, 2, 7, 6, 19, 16, 51, 45, 141, 126, 393, 357, 1107, 1016, 3139, 2907, 8953]

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

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