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.

A079640 Matrix product of unsigned Stirling1-triangle |A008275(n,k)| and unsigned Lah-triangle |A008297(n,k)|.

Table of values

n a(n)
1 1
2 3
3 1
4 14
5 9
6 1
7 88
8 83
9 18
10 1
11 694
12 860
13 275
14 30
15 1
16 6578
17 10084
18 4245
19 685
20 45
21 1
22 72792
23 132888
24 69244
25 14735
26 1435
27 63
28 1
29 920904
30 1950024
31 1209880
32 318969
33 41020
34 2674
35 84
36 1
37 13109088
38 31580472
39 22715972
40 7133784
41 1137549
42 98028
43 4578
44 108
45 1

List of values

[1, 3, 1, 14, 9, 1, 88, 83, 18, 1, 694, 860, 275, 30, 1, 6578, 10084, 4245, 685, 45, 1, 72792, 132888, 69244, 14735, 1435, 63, 1, 920904, 1950024, 1209880, 318969, 41020, 2674, 84, 1, 13109088, 31580472, 22715972, 7133784, 1137549, 98028, 4578, 108, 1]