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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.

A088320 a(n) = 10*a(n-1) + a(n-2), starting with a(0) = 1 and a(1) = 5.

Table of values

n a(n)
0 1
1 5
2 51
3 515
4 5201
5 52525
6 530451
7 5357035
8 54100801
9 546365045
10 5517751251
11 55723877555
12 562756526801
13 5683289145565
14 57395647982451
15 579639768970075
16 5853793337683201
17 59117573145802085
18 597029524795704051
19 6029412821102842595
20 60891157735824130001
21 614940990179344142605

List of values

[1, 5, 51, 515, 5201, 52525, 530451, 5357035, 54100801, 546365045, 5517751251, 55723877555, 562756526801, 5683289145565, 57395647982451, 579639768970075, 5853793337683201, 59117573145802085, 597029524795704051, 6029412821102842595, 60891157735824130001, 614940990179344142605]

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

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