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.

A022467 Number of 2's in n-th term of A007651.

Table of values

n a(n)
1 0
2 0
3 1
4 1
5 2
6 2
7 3
8 2
9 3
10 4
11 8
12 10
13 14
14 18
15 24
16 28
17 41
18 56
19 69
20 91
21 123
22 164
23 221
24 286
25 366
26 494
27 636
28 832
29 1095
30 1423
31 1847
32 2440
33 3154
34 4166
35 5366
36 7025
37 9119
38 11925
39 15495
40 20259
41 26320
42 34409
43 44827
44 58432
45 76193
46 99353
47 129347
48 168789
49 219947
50 286629

List of values

[0, 0, 1, 1, 2, 2, 3, 2, 3, 4, 8, 10, 14, 18, 24, 28, 41, 56, 69, 91, 123, 164, 221, 286, 366, 494, 636, 832, 1095, 1423, 1847, 2440, 3154, 4166, 5366, 7025, 9119, 11925, 15495, 20259, 26320, 34409, 44827, 58432, 76193, 99353, 129347, 168789, 219947, 286629]

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

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