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.

A078741 Triangle of generalized Stirling numbers S_{3,3}(n,k) read by rows (n>=1, 3<=k<=3n).

Table of values

n a(n)
1 1
2 6
3 18
4 9
5 1
6 36
7 540
8 1242
9 882
10 243
11 27
12 1
13 216
14 13608
15 94284
16 186876
17 149580
18 56808
19 11025
20 1107
21 54
22 1
23 1296
24 330480
25 6148872
26 28245672
27 49658508
28 41392620
29 18428400
30 4691412
31 706833
32 63375
33 3285
34 90
35 1
36 7776
37 7954848
38 380841264
39 3762380016
40 13062960720

List of values

[1, 6, 18, 9, 1, 36, 540, 1242, 882, 243, 27, 1, 216, 13608, 94284, 186876, 149580, 56808, 11025, 1107, 54, 1, 1296, 330480, 6148872, 28245672, 49658508, 41392620, 18428400, 4691412, 706833, 63375, 3285, 90, 1, 7776, 7954848, 380841264, 3762380016, 13062960720]