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.

A189639 Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415).

Table of values

n a(n)
1 161
2 209
3 221
4 1935
5 4265
6 15941
7 22217
8 24041
9 25637
10 30377
11 38117
12 39077
13 48617
14 49097
15 55877
16 68441
17 73817
18 76457
19 80357
20 88457
21 95237
22 98117
23 99941
24 105641
25 110057
26 115397
27 122537
28 130217
29 131141
30 136517
31 143237
32 147941
33 148697
34 152357
35 154457
36 159077

List of values

[161, 209, 221, 1935, 4265, 15941, 22217, 24041, 25637, 30377, 38117, 39077, 48617, 49097, 55877, 68441, 73817, 76457, 80357, 88457, 95237, 98117, 99941, 105641, 110057, 115397, 122537, 130217, 131141, 136517, 143237, 147941, 148697, 152357, 154457, 159077]