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.

A261719 Number T(n,k) of partitions of n where each part i is marked with a word of length i over a k-ary alphabet whose letters appear in alphabetical order and all k letters occur at least once in the partition; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 2
5 3
6 0
7 3
8 12
9 10
10 0
11 5
12 40
13 81
14 47
15 0
16 7
17 104
18 396
19 544
20 246
21 0
22 11
23 279
24 1751
25 4232
26 4350
27 1602
28 0
29 15
30 654
31 6528
32 25100
33 44475
34 36744
35 11481
36 0
37 22
38 1577
39 23892
40 136516
41 369675
42 512787
43 352793
44 95503
45 0
46 30
47 3560
48 80979
49 666800
50 2603670
51 5413842
52 6170486
53 3641992
54 871030

List of values

[1, 0, 1, 0, 2, 3, 0, 3, 12, 10, 0, 5, 40, 81, 47, 0, 7, 104, 396, 544, 246, 0, 11, 279, 1751, 4232, 4350, 1602, 0, 15, 654, 6528, 25100, 44475, 36744, 11481, 0, 22, 1577, 23892, 136516, 369675, 512787, 352793, 95503, 0, 30, 3560, 80979, 666800, 2603670, 5413842, 6170486, 3641992, 871030]