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.

A330129 a(n) is the last term of the analogous sequence to A121805, but with initial term n, or -1 if that sequence is infinite.

Table of values

n a(n)
1 99999945
2 9999999999999918
3 36
4 9999945
5 999945
6 9999999999999999936
7 936
8 9999999999972
9 999999936
10 999936
11 999936
12 99999945
13 999954
14 999918
15 72
16 99999918
17 999999999927
18 18
19 999981
20 999999999999999963
21 99981
22 999999999999999963
23 999936
24 9999999999999918
25 9963

List of values

[99999945, 9999999999999918, 36, 9999945, 999945, 9999999999999999936, 936, 9999999999972, 999999936, 999936, 999936, 99999945, 999954, 999918, 72, 99999918, 999999999927, 18, 999981, 999999999999999963, 99981, 999999999999999963, 999936, 9999999999999918, 9963]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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