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.

A260325 Triangle read by rows: T(n,k) = logarithmic polynomial A_k^(n)(x) evaluated at x=-1.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 2
6 2
7 16
8 9
9 6
10 6
11 65
12 28
13 12
14 24
15 24
16 326
17 185
18 140
19 60
20 120
21 120
22 1957
23 846
24 750
25 120
26 360
27 720
28 720
29 13700
30 7777
31 2562
32 5250
33 840
34 2520
35 5040
36 5040
37 109601
38 47384
39 47096
40 40656
41 1680
42 6720
43 20160
44 40320
45 40320
46 986410
47 559953
48 378072
49 181944
50 365904
51 15120
52 60480
53 181440
54 362880
55 362880

List of values

[1, 2, 1, 5, 2, 2, 16, 9, 6, 6, 65, 28, 12, 24, 24, 326, 185, 140, 60, 120, 120, 1957, 846, 750, 120, 360, 720, 720, 13700, 7777, 2562, 5250, 840, 2520, 5040, 5040, 109601, 47384, 47096, 40656, 1680, 6720, 20160, 40320, 40320, 986410, 559953, 378072, 181944, 365904, 15120, 60480, 181440, 362880, 362880]