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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.

A377474 Indices where new terms arise among first differences of Colombian or self numbers (A377472).

Table of values

n a(n)
1 1
2 5
3 103
4 984
5 9785
6 97786
7 977787
8 9777788
9 97777789

List of values

[1, 5, 103, 984, 9785, 97786, 977787, 9777788, 97777789]

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

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