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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.

A077210 a(1) = 2, a(n+1) is the smallest squarefree number greater than n*a(n).

Table of values

n a(n)
1 2
2 3
3 7
4 22
5 89
6 446
7 2677
8 18741
9 149929
10 1349363
11 13493631
12 148429942
13 1781159305
14 23155070966
15 324170993526
16 4862564902891
17 77801038446257
18 1322617653586370
19 23807117764554661
20 452335237526538561
21 9046704750530771221
22 189980799761146195642

List of values

[2, 3, 7, 22, 89, 446, 2677, 18741, 149929, 1349363, 13493631, 148429942, 1781159305, 23155070966, 324170993526, 4862564902891, 77801038446257, 1322617653586370, 23807117764554661, 452335237526538561, 9046704750530771221, 189980799761146195642]

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

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