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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.

A273950 Prime factors of generalized Fermat numbers of the form 12^(2^m) + 1 with m >= 0.

Table of values

n a(n)
1 5
2 13
3 17
4 29
5 89
6 97
7 233
8 257
9 769
10 36097
11 40961
12 65537
13 81281
14 153953
15 163841
16 260753
17 1724417
18 4550657
19 5767169
20 8253953
21 11304961
22 13631489
23 21495809
24 69619841
25 77651969
26 147849217
27 158334977
28 159522817
29 1711276033
30 6528575489
31 27286044673
32 52613349377

List of values

[5, 13, 17, 29, 89, 97, 233, 257, 769, 36097, 40961, 65537, 81281, 153953, 163841, 260753, 1724417, 4550657, 5767169, 8253953, 11304961, 13631489, 21495809, 69619841, 77651969, 147849217, 158334977, 159522817, 1711276033, 6528575489, 27286044673, 52613349377]

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

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