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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.

A061585 a(1) = 1, a(n)= number obtained by replacing each digit of a(n-1) with seven times its value.

Table of values

n a(n)
1 1
2 7
3 49
4 2863
5 14564221
6 72835422814147
7 49145621352814145672872849
8 286372835421472135145672872835424914564914562863
9 1456422149145621352814728491472135728354249145649145621352814286372835422863728354214564221

List of values

[1, 7, 49, 2863, 14564221, 72835422814147, 49145621352814145672872849, 286372835421472135145672872835424914564914562863, 1456422149145621352814728491472135728354249145649145621352814286372835422863728354214564221]

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

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