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.

A367605 Final term of commas sequence (cf. A121805) if start at 1 and do the calculations in base n; or -1 if the sequence is infinite.

Table of values

n a(n)
2 -1
3 76
4 6
5 15612
6 60466165
7 823512
8 262122
9 32
10 99999945
11 1771460
12 110
13 2052
14 289254654871
15 8649755859206
16 18446744073709551480
17 83264
18 1338258845052394702439737982907
19 893871504
20 10239999999942
21 1801088480
22 189
23 148035426
24 13501
25 244140456
26 3670344486987375

List of values

[-1, 76, 6, 15612, 60466165, 823512, 262122, 32, 99999945, 1771460, 110, 2052, 289254654871, 8649755859206, 18446744073709551480, 83264, 1338258845052394702439737982907, 893871504, 10239999999942, 1801088480, 189, 148035426, 13501, 244140456, 3670344486987375]