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.

A098683 Numbers n such that pi(n) = prime(d_1)*prime(d_2)*...*prime(d_k) where d_1 d_2 ... d_k is the decimal expansion of n.

Table of values

n a(n)
1 123
2 5224
3 11166
4 51174
5 172451
6 546322
7 14355351
8 23539612
9 23539621
10 24322837
11 122924349
12 4575242147
13 42256772524
14 283186883151
15 623286236455
16 665318971119
17 665318971191
18 5257788212426
19 27452719198281
20 273643846355134
21 787812731751347
22 787812731751374

List of values

[123, 5224, 11166, 51174, 172451, 546322, 14355351, 23539612, 23539621, 24322837, 122924349, 4575242147, 42256772524, 283186883151, 623286236455, 665318971119, 665318971191, 5257788212426, 27452719198281, 273643846355134, 787812731751347, 787812731751374]

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

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