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.

A366159 Triangle read by rows: T(n, k) = Sum_{i=0..k-2} (-1)^(i+2) * (k-i-1)^n * binomial(k,i).

Table of values

n a(n)
2 1
3 1
4 5
5 1
6 13
7 23
8 1
9 29
10 121
11 119
12 1
13 61
14 479
15 1081
16 719
17 1
18 125
19 1681
20 6719
21 10081
22 5039
23 1
24 253
25 5543
26 35281
27 90719
28 100801
29 40319
30 1
31 509
32 17641
33 168839
34 665281
35 1239839
36 1088641
37 362879
38 1
39 1021
40 54959
41 763561
42 4339439
43 12096001
44 17539199
45 12700801
46 3628799

List of values

[1, 1, 5, 1, 13, 23, 1, 29, 121, 119, 1, 61, 479, 1081, 719, 1, 125, 1681, 6719, 10081, 5039, 1, 253, 5543, 35281, 90719, 100801, 40319, 1, 509, 17641, 168839, 665281, 1239839, 1088641, 362879, 1, 1021, 54959, 763561, 4339439, 12096001, 17539199, 12700801, 3628799]