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.

A328243 Numbers whose arithmetic derivative (A003415) is larger than 1 and one of the terms of A143293 (partial sums of primorials).

Table of values

n a(n)
1 14
2 45
3 74
4 198
5 5114
6 10295
7 65174
8 1086194
9 20485574
10 40354813
11 465779078
12 12101385979
13 15237604243
14 18046312939
15 29501083259
16 52467636437
17 65794608773
18 86725630997
19 87741700037
20 131833085077
21 168380217557
22 176203950283
23 177332276971
24 226152989747
25 292546582253

List of values

[14, 45, 74, 198, 5114, 10295, 65174, 1086194, 20485574, 40354813, 465779078, 12101385979, 15237604243, 18046312939, 29501083259, 52467636437, 65794608773, 86725630997, 87741700037, 131833085077, 168380217557, 176203950283, 177332276971, 226152989747, 292546582253]

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

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