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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.

A372228 a(n) is the largest prime factor of n^n + n.

Table of values

n a(n)
1 2
2 3
3 5
4 13
5 313
6 101
7 181
8 5419
9 21523361
10 52579
11 212601841
12 57154490053
13 815702161
14 100621
15 4454215139669
16 4562284561
17 52548582913
18 1895634885375961
19 211573
20 2272727294381
21 415710882920521
22 9299179
23 1853387306082786629
24 22496867303759173834520497

List of values

[2, 3, 5, 13, 313, 101, 181, 5419, 21523361, 52579, 212601841, 57154490053, 815702161, 100621, 4454215139669, 4562284561, 52548582913, 1895634885375961, 211573, 2272727294381, 415710882920521, 9299179, 1853387306082786629, 22496867303759173834520497]

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

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