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.

A367604 Length 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 17
4 2
5 1259
6 3243760
7 33779
8 8367
9 3
10 2137453
11 29347
12 4
13 27
14 3097837317
15 75455289096
16 144693554136426354
17 586
18 8250248375768635503445567685
19 4956282
20 51496560713
21 7977231
22 4
23 560002
24 48
25 779641
26 10712620148411
27 44948082868036315658034347512222651

List of values

[-1, 17, 2, 1259, 3243760, 33779, 8367, 3, 2137453, 29347, 4, 27, 3097837317, 75455289096, 144693554136426354, 586, 8250248375768635503445567685, 4956282, 51496560713, 7977231, 4, 560002, 48, 779641, 10712620148411, 44948082868036315658034347512222651]

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

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