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.

A104371 Euler's totient of A104365(n) = A104350(n) + 1.

Table of values

n a(n)
1 1
2 2
3 6
4 12
5 60
6 180
7 1152
8 2520
9 7560
10 37332
11 415800
12 1247400
13 16118932
14 112918900
15 564876900
16 1109481408
17 17645365584
18 57890359152
19 1099944846000
20 5468570553600
21 37559092302400
22 421791599312500
23 9256378099515120
24 29207007622737652
25 146100174169950000
26 1880759745476519040
27 5589847741506645552
28 39852571442073216768

List of values

[1, 2, 6, 12, 60, 180, 1152, 2520, 7560, 37332, 415800, 1247400, 16118932, 112918900, 564876900, 1109481408, 17645365584, 57890359152, 1099944846000, 5468570553600, 37559092302400, 421791599312500, 9256378099515120, 29207007622737652, 146100174169950000, 1880759745476519040, 5589847741506645552, 39852571442073216768]

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

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