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.

A127854 Largest number k such that k^2 divides A007781(6n+1).

Table of values

n a(n)
1 19
2 61
3 127
4 217
5 331
6 469
7 631
8 817
9 1027
10 1261
11 1519
12 1801
13 2107
14 2437
15 2791
16 3169
17 3571
18 3997
19 4447
20 4921
21 5419
22 5941
23 6487
24 7057
25 7651
26 8269
27 8911
28 9577
29 10267
30 10981
31 11719
32 12481
33 13267
34 14077
35 14911
36 15769
37 16651
38 17557
39 18487
40 19441

List of values

[19, 61, 127, 217, 331, 469, 631, 817, 1027, 1261, 1519, 1801, 2107, 2437, 2791, 3169, 3571, 3997, 4447, 4921, 5419, 5941, 6487, 7057, 7651, 8269, 8911, 9577, 10267, 10981, 11719, 12481, 13267, 14077, 14911, 15769, 16651, 17557, 18487, 19441]