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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.

A088215 (1/36)*number of ways to express n as the determinant of a 3 X 3 matrix with elements 1..9.

Table of values

n a(n)
0 76
1 32
2 18
3 30
4 14
5 47
6 30
7 25
8 10
9 41
10 20
11 42
12 32
13 25
14 16
15 36
16 14
17 31
18 39
19 28
20 35
21 39
22 20
23 22
24 18
25 33
26 19
27 45
28 12
29 21
30 37
31 26
32 15
33 41
34 25
35 37
36 29
37 27
38 18
39 34
40 22
41 24
42 23
43 24
44 17
45 48
46 16
47 16
48 18
49 15
50 25
51 35
52 16
53 21
54 36
55 43
56 11
57 30
58 5
59 18
60 31
61 17
62 13
63 28
64 11
65 42
66 35
67 24
68 13
69 35

List of values

[76, 32, 18, 30, 14, 47, 30, 25, 10, 41, 20, 42, 32, 25, 16, 36, 14, 31, 39, 28, 35, 39, 20, 22, 18, 33, 19, 45, 12, 21, 37, 26, 15, 41, 25, 37, 29, 27, 18, 34, 22, 24, 23, 24, 17, 48, 16, 16, 18, 15, 25, 35, 16, 21, 36, 43, 11, 30, 5, 18, 31, 17, 13, 28, 11, 42, 35, 24, 13, 35]

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

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