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.

A129346 a(2n) = A100525(n), a(2n+1) = A001653(n+1); a Pellian-related sequence.

Table of values

n a(n)
0 4
1 5
2 22
3 29
4 128
5 169
6 746
7 985
8 4348
9 5741
10 25342
11 33461
12 147704
13 195025
14 860882
15 1136689
16 5017588
17 6625109
18 29244646
19 38613965
20 170450288
21 225058681
22 993457082
23 1311738121
24 5790292204
25 7645370045
26 33748296142
27 44560482149
28 196699484648
29 259717522849

List of values

[4, 5, 22, 29, 128, 169, 746, 985, 4348, 5741, 25342, 33461, 147704, 195025, 860882, 1136689, 5017588, 6625109, 29244646, 38613965, 170450288, 225058681, 993457082, 1311738121, 5790292204, 7645370045, 33748296142, 44560482149, 196699484648, 259717522849]