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.

A371257 Irregular triangle T(n, k), n >= 0, k = 1..2^A005811(n), read by rows; the n-th row lists the numbers m such that A371256(m) = n.

Table of values

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

List of values

[0, 1, 2, 3, 5, 6, 7, 4, 8, 9, 17, 18, 22, 10, 11, 15, 16, 19, 20, 21, 23, 12, 14, 24, 25, 13, 26, 27, 53, 54, 67, 28, 29, 51, 52, 55, 56, 66, 68, 30, 32, 33, 34, 46, 47, 48, 50, 57, 59, 60, 61, 64, 65, 69, 70, 31, 35, 45, 49, 58, 62, 63, 71, 36, 44, 72, 76]

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

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