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.

A098684 Numbers n such that pi(n) = P(d_1!!)*P(d_2!!)*...*P(d_k!!) where d_1 d_2 ... d_k is the decimal expansion of n and P(i) is i-th prime.

Table of values

n a(n)
1 10
2 30
3 123
4 41402
5 1400523
6 3173000
7 3173001
8 3173010
9 3173011
10 351226103
11 351226113
12 351226130
13 351226131

List of values

[10, 30, 123, 41402, 1400523, 3173000, 3173001, 3173010, 3173011, 351226103, 351226113, 351226130, 351226131]

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

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