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.

A068334 a(1) = 1; a(n+1) = 1 + Product_{k|n} a(k), product is over the positive divisors, k, of n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 9
6 10
7 61
8 62
9 497
10 1492
11 26857
12 26858
13 6445921
14 6445922
15 786402485
16 21232867096
17 10531502079617
18 10531502079618
19 314049392014208761
20 314049392014208762
21 33736441887734362049089
22 6173768865455388254983288

List of values

[1, 2, 3, 4, 9, 10, 61, 62, 497, 1492, 26857, 26858, 6445921, 6445922, 786402485, 21232867096, 10531502079617, 10531502079618, 314049392014208761, 314049392014208762, 33736441887734362049089, 6173768865455388254983288]