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.

A124290 Largest prime < 10*a(n-1), a(1)=11.

Table of values

n a(n)
1 11
2 109
3 1087
4 10867
5 108649
6 1086469
7 10864669
8 108646667
9 1086466657
10 10864666531
11 108646665307
12 1086466653067
13 10864666530661
14 108646665306581
15 1086466653065803
16 10864666530658001
17 108646665306579997
18 1086466653065799961
19 10864666530657999467
20 108646665306579994669

List of values

[11, 109, 1087, 10867, 108649, 1086469, 10864669, 108646667, 1086466657, 10864666531, 108646665307, 1086466653067, 10864666530661, 108646665306581, 1086466653065803, 10864666530658001, 108646665306579997, 1086466653065799961, 10864666530657999467, 108646665306579994669]

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

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