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.

A249069 a(n+1) gives the number of occurrences of the first digit of a(n) in factorial base (i.e., A099563(a(n))) so far amongst the factorial base representations of all the terms up to and including a(n), with a(0)=0.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 3
5 5
6 1
7 7
8 9
9 12
10 2
11 13
12 3
13 16
14 5
15 6
16 18
17 1
18 19
19 2
20 21
21 3
22 25
23 27
24 30
25 32
26 35
27 38
28 40
29 41
30 43
31 45
32 48
33 13
34 14
35 15
36 16
37 18
38 6
39 53
40 20
41 7
42 57
43 21
44 8
45 64
46 24
47 65
48 27
49 69
50 28
51 72
52 10
53 73
54 11
55 76
56 12
57 33
58 80
59 13
60 34
61 85
62 14
63 37
64 89
65 15
66 41
67 94
68 17
69 46
70 96
71 1
72 97
73 2
74 99
75 3
76 103
77 4
78 48
79 49
80 50

List of values

[0, 1, 1, 2, 3, 5, 1, 7, 9, 12, 2, 13, 3, 16, 5, 6, 18, 1, 19, 2, 21, 3, 25, 27, 30, 32, 35, 38, 40, 41, 43, 45, 48, 13, 14, 15, 16, 18, 6, 53, 20, 7, 57, 21, 8, 64, 24, 65, 27, 69, 28, 72, 10, 73, 11, 76, 12, 33, 80, 13, 34, 85, 14, 37, 89, 15, 41, 94, 17, 46, 96, 1, 97, 2, 99, 3, 103, 4, 48, 49, 50]