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.

A301939 Integers whose arithmetic derivative is equal to their Dedekind function.

Table of values

n a(n)
1 8
2 81
3 108
4 2500
5 2700
6 3375
7 5292
8 13068
9 15625
10 18252
11 31212
12 38988
13 57132
14 67228
15 90828
16 94500
17 103788
18 147852
19 181548
20 199692
21 231525
22 238572
23 303372
24 375948
25 401868
26 484812
27 544428
28 575532
29 674028
30 713097
31 744012
32 855468
33 1016172
34 1058841
35 1101708
36 1145772

List of values

[8, 81, 108, 2500, 2700, 3375, 5292, 13068, 15625, 18252, 31212, 38988, 57132, 67228, 90828, 94500, 103788, 147852, 181548, 199692, 231525, 238572, 303372, 375948, 401868, 484812, 544428, 575532, 674028, 713097, 744012, 855468, 1016172, 1058841, 1101708, 1145772]

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

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