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.

A060401 a(n) = minimal m such that m>n, n divides m, n-1 divides m-1, n-2 divides m-2 and so on down to 1 divides m-n+1.

Table of values

n a(n)
1 2
2 4
3 9
4 16
5 65
6 66
7 427
8 848
9 2529
10 2530
11 27731
12 27732
13 360373
14 360374
15 360375
16 720736
17 12252257
18 12252258
19 232792579
20 232792580
21 232792581
22 232792582
23 5354228903
24 5354228904
25 26771144425
26 26771144426
27 80313433227
28 80313433228
29 2329089562829
30 2329089562830

List of values

[2, 4, 9, 16, 65, 66, 427, 848, 2529, 2530, 27731, 27732, 360373, 360374, 360375, 720736, 12252257, 12252258, 232792579, 232792580, 232792581, 232792582, 5354228903, 5354228904, 26771144425, 26771144426, 80313433227, 80313433228, 2329089562829, 2329089562830]

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

Content is available under The OEIS End-User License Agreement.