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.

A136791 Triangle read by rows: (2 * A011971) - A000012.

Table of values

n a(n)
0 1
1 1
2 3
3 3
4 5
5 9
6 9
7 13
8 19
9 29
10 29
11 39
12 53
13 73
14 103
15 103
16 133
17 173
18 227
19 301
20 405
21 405
22 509
23 643
24 817
25 1045
26 1347
27 1753
28 1753
29 2159
30 2669
31 3313
32 4131
33 5177
34 6525
35 8279
36 8279
37 100033
38 12193
39 14863
40 18177
41 22309
42 27487
43 34013
44 42293
45 42293
46 50573
47 60607
48 72801
49 87665
50 105843
51 128153
52 155641
53 189655
54 231949

List of values

[1, 1, 3, 3, 5, 9, 9, 13, 19, 29, 29, 39, 53, 73, 103, 103, 133, 173, 227, 301, 405, 405, 509, 643, 817, 1045, 1347, 1753, 1753, 2159, 2669, 3313, 4131, 5177, 6525, 8279, 8279, 100033, 12193, 14863, 18177, 22309, 27487, 34013, 42293, 42293, 50573, 60607, 72801, 87665, 105843, 128153, 155641, 189655, 231949]

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

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