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.

A378928 Numbers k such that pi(k) = rad(k), where pi = A000720, rad = A007947.

Table of values

n a(n)
1 4
2 120
3 350
4 1116
5 64700
6 1304511
7 3523884
8 9559575
9 189961956
10 189964332
11 514275185
12 514275546
13 1394194200
14 3779851131
15 75370121712
16 204475052375
17 204475052625
18 204475053625
19 204475054125
20 204475054750

List of values

[4, 120, 350, 1116, 64700, 1304511, 3523884, 9559575, 189961956, 189964332, 514275185, 514275546, 1394194200, 3779851131, 75370121712, 204475052375, 204475052625, 204475053625, 204475054125, 204475054750]

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

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