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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.

A256978 Irregular triangle read by rows: coefficients of polynomials related to Stirling permutations.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 7
8 3
9 1
10 1
11 7
12 29
13 31
14 29
15 7
16 1
17 1
18 15
19 101
20 195
21 321
22 195
23 101
24 15
25 1
26 1
27 31
28 327
29 1001
30 2507
31 2661
32 2507
33 1001
34 327
35 31
36 1
37 1
38 63
39 1023
40 4641
41 16479
42 26481
43 37759
44 26481
45 16479
46 4641
47 1023
48 63
49 1
50 1
51 127
52 3145
53 20343
54 98289
55 221775
56 439105
57 461455
58 439105
59 221775
60 98289
61 20343
62 3145
63 127
64 1

List of values

[1, 1, 1, 1, 1, 3, 7, 3, 1, 1, 7, 29, 31, 29, 7, 1, 1, 15, 101, 195, 321, 195, 101, 15, 1, 1, 31, 327, 1001, 2507, 2661, 2507, 1001, 327, 31, 1, 1, 63, 1023, 4641, 16479, 26481, 37759, 26481, 16479, 4641, 1023, 63, 1, 1, 127, 3145, 20343, 98289, 221775, 439105, 461455, 439105, 221775, 98289, 20343, 3145, 127, 1]