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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.

A210848 a(n) = (A048898(n)^2 + 1)/5^n, n >= 0.

Table of values

n a(n)
0 1
1 1
2 2
3 26
4 53
5 1354
6 13562
7 26858
8 200965
9 40193
10 3859882
11 13496122
12 62298370
13 12459674
14 4106065226
15 4044371993
16 69072101242
17 218014644394
18 3137550252170
19 627510050434
20 66696011833378
21 280704828874769
22 2167389209973245
23 433477841994649
24 41870795375097221
25 40277856145834642

List of values

[1, 1, 2, 26, 53, 1354, 13562, 26858, 200965, 40193, 3859882, 13496122, 62298370, 12459674, 4106065226, 4044371993, 69072101242, 218014644394, 3137550252170, 627510050434, 66696011833378, 280704828874769, 2167389209973245, 433477841994649, 41870795375097221, 40277856145834642]

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

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