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.

A183232 Second of two complementary trees generated by the triangular numbers. The other tree is A183231.

Table of values

n a(n)
1 2
2 8
3 5
4 53
5 12
6 26
7 9
8 1538
9 63
10 103
11 17
12 404
13 33
14 64
15 14
16 1186568
17 1593
18 2143
19 74
20 5563
21 117
22 188
23 23
24 82619
25 432
26 628
27 41
28 2209
29 75
30 134
31 20
32 703974775733
33 1188108
34 1272808
35 1649
36 2301583
37 2208
38 2924
39 86
40 15487393

List of values

[2, 8, 5, 53, 12, 26, 9, 1538, 63, 103, 17, 404, 33, 64, 14, 1186568, 1593, 2143, 74, 5563, 117, 188, 23, 82619, 432, 628, 41, 2209, 75, 134, 20, 703974775733, 1188108, 1272808, 1649, 2301583, 2208, 2924, 86, 15487393]

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

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