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.

A222403 Triangle read by rows: left and right edges are A000217, interior entries are filled in using the Pascal triangle rule.

Table of values

n a(n)
0 0
1 1
2 1
3 3
4 2
5 3
6 6
7 5
8 5
9 6
10 10
11 11
12 10
13 11
14 10
15 15
16 21
17 21
18 21
19 21
20 15
21 21
22 36
23 42
24 42
25 42
26 36
27 21
28 28
29 57
30 78
31 84
32 84
33 78
34 57
35 28
36 36
37 85
38 135
39 162
40 168
41 162
42 135
43 85
44 36
45 45
46 121
47 220
48 297
49 330
50 330
51 297
52 220
53 121
54 45
55 55
56 166
57 341
58 517
59 627
60 660
61 627
62 517
63 341
64 166
65 55

List of values

[0, 1, 1, 3, 2, 3, 6, 5, 5, 6, 10, 11, 10, 11, 10, 15, 21, 21, 21, 21, 15, 21, 36, 42, 42, 42, 36, 21, 28, 57, 78, 84, 84, 78, 57, 28, 36, 85, 135, 162, 168, 162, 135, 85, 36, 45, 121, 220, 297, 330, 330, 297, 220, 121, 45, 55, 166, 341, 517, 627, 660, 627, 517, 341, 166, 55]

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

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