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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.

A120493 Triangle T(n,k) read by rows ; multiply row n of Pascal's triangle (A007318) by A024175(n).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 4
5 2
6 5
7 15
8 15
9 5
10 14
11 56
12 84
13 56
14 14
15 42
16 210
17 420
18 420
19 210
20 42
21 132
22 792
23 1980
24 2640
25 1980
26 792
27 132
28 428
29 2996
30 8988
31 14980
32 14980
33 8988
34 2996
35 428
36 1416
37 11328
38 39648
39 79296
40 99120
41 79296
42 39648
43 11328
44 1416

List of values

[1, 1, 1, 2, 4, 2, 5, 15, 15, 5, 14, 56, 84, 56, 14, 42, 210, 420, 420, 210, 42, 132, 792, 1980, 2640, 1980, 792, 132, 428, 2996, 8988, 14980, 14980, 8988, 2996, 428, 1416, 11328, 39648, 79296, 99120, 79296, 39648, 11328, 1416]

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

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