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.

A110293 a(2*n) = A001570(n), a(2*n+1) = A011943(n+1).

Table of values

n a(n)
0 1
1 7
2 13
3 97
4 181
5 1351
6 2521
7 18817
8 35113
9 262087
10 489061
11 3650401
12 6811741
13 50843527
14 94875313
15 708158977
16 1321442641
17 9863382151
18 18405321661
19 137379191137
20 256353060613
21 1913445293767
22 3570537526921
23 26650854921601
24 49731172316281
25 371198523608647
26 692665874901013

List of values

[1, 7, 13, 97, 181, 1351, 2521, 18817, 35113, 262087, 489061, 3650401, 6811741, 50843527, 94875313, 708158977, 1321442641, 9863382151, 18405321661, 137379191137, 256353060613, 1913445293767, 3570537526921, 26650854921601, 49731172316281, 371198523608647, 692665874901013]