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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.

A367601 a(n) is the number of terms in the analog of A121805 but starting with A037124(n), or -1 if that sequence is infinite.

Table of values

n a(n)
1 2137453
2 194697747222394
3 2
4 199900
5 19706
6 209534289952018960
7 15
8 198104936410
9 19511030
10 20573
11 19278442756937613
12 207556412347088426
13 2153441655319779164332
14 1960210914
15 204
16 19
17 195607586
18 21
19 19511029
20 1922379655900
21 15
22 1979
23 191782579276710577865
24 1927

List of values

[2137453, 194697747222394, 2, 199900, 19706, 209534289952018960, 15, 198104936410, 19511030, 20573, 19278442756937613, 207556412347088426, 2153441655319779164332, 1960210914, 204, 19, 195607586, 21, 19511029, 1922379655900, 15, 1979, 191782579276710577865, 1927]

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

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