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.

A371282 a(1)=1; for n>1, a(n) = a(n-1) * k or a(n-1) - k to give the smallest, distinct positive integer, where each k can be used only once.

Table of values

n a(n)
1 1
2 2
3 6
4 5
5 20
6 3
7 15
8 4
9 24
10 8
11 56
12 7
13 63
14 9
15 72
16 10
17 100
18 11
19 132
20 12
21 156
22 13
23 182
24 14
25 210
26 16
27 288
28 17
29 323
30 18
31 360
32 19
33 399
34 21
35 462
36 22
37 506
38 23
39 552
40 25
41 625
42 26
43 676
44 27
45 729
46 28
47 784
48 29
49 841
50 30
51 900
52 31
53 961
54 32
55 1024
56 33
57 1089
58 34
59 1156
60 35
61 1225

List of values

[1, 2, 6, 5, 20, 3, 15, 4, 24, 8, 56, 7, 63, 9, 72, 10, 100, 11, 132, 12, 156, 13, 182, 14, 210, 16, 288, 17, 323, 18, 360, 19, 399, 21, 462, 22, 506, 23, 552, 25, 625, 26, 676, 27, 729, 28, 784, 29, 841, 30, 900, 31, 961, 32, 1024, 33, 1089, 34, 1156, 35, 1225]