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.

A039780 Numbers k such that phi(k) is equal to A008473(k-1).

Table of values

n a(n)
1 5
2 25
3 1176
4 1625
5 7385
6 18633
7 21726
8 30276
9 32923
10 36905
11 46025
12 50809
13 55449
14 60726
15 89257
16 102425
17 151657
18 185745
19 278226
20 289961
21 301017
22 319145
23 373176
24 394121
25 459513
26 779817
27 815676
28 827926
29 1053019
30 1055719
31 1170153
32 1399123
33 1657865
34 1663209
35 1667326

List of values

[5, 25, 1176, 1625, 7385, 18633, 21726, 30276, 32923, 36905, 46025, 50809, 55449, 60726, 89257, 102425, 151657, 185745, 278226, 289961, 301017, 319145, 373176, 394121, 459513, 779817, 815676, 827926, 1053019, 1055719, 1170153, 1399123, 1657865, 1663209, 1667326]

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

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