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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.

A034980 a(n)^2 is smallest positive square starting with a string of n 2's.

Table of values

n a(n)
0 1
1 5
2 15
3 149
4 4714
5 47141
6 471405
7 1490712
8 1490712
9 471404521
10 1490711985
11 1490711985
12 1490711985
13 1490711985
14 47140452079103
15 149071198499986
16 149071198499986
17 14907119849998598
18 14907119849998598
19 471404520791031683
20 14907119849998597976
21 471404520791031682934
22 4714045207910316829339

List of values

[1, 5, 15, 149, 4714, 47141, 471405, 1490712, 1490712, 471404521, 1490711985, 1490711985, 1490711985, 1490711985, 47140452079103, 149071198499986, 149071198499986, 14907119849998598, 14907119849998598, 471404520791031683, 14907119849998597976, 471404520791031682934, 4714045207910316829339]

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

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