A233059 - cp's OEIS frontend

A233059 Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..2+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

n	a(n)
1	13
2	47
3	161
4	564
5	1933
6	6529
7	21904
8	72710
9	238992
10	781279
11	2537019
12	8187471
13	26318697
14	84221878
15	268396362
16	852861982
17	2701532776
18	8532060967
19	26887756403
20	84535960052
21	265197189246
22	830543999898
23	2596441897488
24	8103132791812

[13, 47, 161, 564, 1933, 6529, 21904, 72710, 238992, 781279, 2537019, 8187471, 26318697, 84221878, 268396362, 852861982, 2701532776, 8532060967, 26887756403, 84535960052, 265197189246, 830543999898, 2596441897488, 8103132791812]

cp's OEIS Frontend

A233059 Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..2+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

Table of values

List of values