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.

A233301 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.

Table of values

n a(n)
1 7
2 13
3 15
4 22
5 42
6 31
7 34
8 105
9 141
10 64
11 50
12 232
13 567
14 502
15 129
16 70
17 475
18 1986
19 3556
20 1739
21 258
22 95
23 904
24 6292
25 21957
26 21856
27 5964
28 515
29 125
30 1632
31 18205
32 122022
33 239330
34 135636
35 20185
36 1029
37 161
38 2806
39 48913
40 616439
41 2353493
42 2694620
43 836259
44 67609

List of values

[7, 13, 15, 22, 42, 31, 34, 105, 141, 64, 50, 232, 567, 502, 129, 70, 475, 1986, 3556, 1739, 258, 95, 904, 6292, 21957, 21856, 5964, 515, 125, 1632, 18205, 122022, 239330, 135636, 20185, 1029, 161, 2806, 48913, 616439, 2353493, 2694620, 836259, 67609]