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.

A164678 Convolve A008619 with sequences which map to 2,3,5,7,11,13,17... A000040 then, by bending when needed, summarize the results in a triangular array.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 4
6 2
7 9
8 8
9 6
10 2
11 17
12 16
13 14
14 9
15 3
16 28
17 27
18 25
19 20
20 12
21 3
22 47
23 46
24 44
25 39
26 30
27 16
28 4
29 73
30 72
31 70
32 65
33 56
34 40
35 20
36 4
37 114
38 113
39 111
40 106
41 97
42 80
43 55
44 25
45 5
46 170
47 169
48 167
49 162
50 153
51 136
52 109
53 70
54 30
55 5
56 253
57 252
58 250
59 245
60 236
61 219
62 191
63 147
64 91
65 36
66 6
67 365

List of values

[1, 2, 1, 5, 4, 2, 9, 8, 6, 2, 17, 16, 14, 9, 3, 28, 27, 25, 20, 12, 3, 47, 46, 44, 39, 30, 16, 4, 73, 72, 70, 65, 56, 40, 20, 4, 114, 113, 111, 106, 97, 80, 55, 25, 5, 170, 169, 167, 162, 153, 136, 109, 70, 30, 5, 253, 252, 250, 245, 236, 219, 191, 147, 91, 36, 6, 365]

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

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