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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.

A368051 Successive primes building the lexicographically earliest k X k 'Futility Squares' (see the Comment and Example sections for more explanations).

Table of values

n a(n)
1 13
2 31
3 113
4 101
5 313
6 1117
7 1009
8 1019
9 7993
10 11113
11 10007
12 10009
13 10039
14 37997
15 111119
16 100003
17 100019
18 100129
19 101207
20 939973
21 1111151
22 1000003
23 1000033
24 1000037
25 1000099
26 5033981
27 1337911
28 11111117
29 10000019
30 10000079
31 10000103
32 10000121
33 10011163
34 11702641
35 79931311

List of values

[13, 31, 113, 101, 313, 1117, 1009, 1019, 7993, 11113, 10007, 10009, 10039, 37997, 111119, 100003, 100019, 100129, 101207, 939973, 1111151, 1000003, 1000033, 1000037, 1000099, 5033981, 1337911, 11111117, 10000019, 10000079, 10000103, 10000121, 10011163, 11702641, 79931311]

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

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