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.

A120298 Largest prime factor of the n-th central factorial number A001819(n).

Table of values

n a(n)
2 5
3 7
4 41
5 479
6 59
7 266681
8 63397
9 514639
10 178939
11 242101
12 18500393
13 40799043101
14 190297
15 1844659
16 78206663
17 616798327
18 38512247
19 86364397717734821
20 421950627598601
21 84786899
22 52030193
23 31411862913089
24 1422157053067
25 47961582392203
26 8408339
27 6269019298981

List of values

[5, 7, 41, 479, 59, 266681, 63397, 514639, 178939, 242101, 18500393, 40799043101, 190297, 1844659, 78206663, 616798327, 38512247, 86364397717734821, 421950627598601, 84786899, 52030193, 31411862913089, 1422157053067, 47961582392203, 8408339, 6269019298981]

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

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