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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.

A173550 a(n) = k smallest exponent of N = 2^k of first prime(1) = 2 where string "p(1) ... p(n)" appears in the decimal representation of N (n=1,2,...).

Table of values

n a(n)
1 1
2 41
3 81
4 256
5 2810
6 19680
7 131516
8 1812049

List of values

[1, 41, 81, 256, 2810, 19680, 131516, 1812049]

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

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