cp's OEIS Frontend

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.

A152396 Let f(M,k) denote the decimal concatenation of k numbers starting with M: M | M-1 | M-2 | ... | M-k+1, k > 1. Then a(n) is the smallest M such that for all m in {1,..,n} an m-th prime occurs as f(M,k) for the smallest possible k, order prioritized m = 1 through n.

Table of values

n a(n)
1 4
2 10
3 1000
4 21910420
5 1113475000
6 67483920430

List of values

[4, 10, 1000, 21910420, 1113475000, 67483920430]

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

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