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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.

A219651 a(n) = n minus (sum of digits in factorial base expansion of n).

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 2
5 2
6 5
7 5
8 6
9 6
10 7
11 7
12 10
13 10
14 11
15 11
16 12
17 12
18 15
19 15
20 16
21 16
22 17
23 17
24 23
25 23
26 24
27 24
28 25
29 25
30 28
31 28
32 29
33 29
34 30
35 30
36 33
37 33
38 34
39 34
40 35
41 35
42 38
43 38
44 39
45 39
46 40
47 40
48 46
49 46
50 47
51 47
52 48
53 48
54 51
55 51
56 52
57 52
58 53
59 53
60 56
61 56
62 57
63 57
64 58
65 58
66 61
67 61

List of values

[0, 0, 1, 1, 2, 2, 5, 5, 6, 6, 7, 7, 10, 10, 11, 11, 12, 12, 15, 15, 16, 16, 17, 17, 23, 23, 24, 24, 25, 25, 28, 28, 29, 29, 30, 30, 33, 33, 34, 34, 35, 35, 38, 38, 39, 39, 40, 40, 46, 46, 47, 47, 48, 48, 51, 51, 52, 52, 53, 53, 56, 56, 57, 57, 58, 58, 61, 61]

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

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