A233298 - cp's OEIS frontend

A233298 Number of (n+1) X (2+1) 0..1 arrays x(i,j) with row sums Sum_{j=1..2+1} x(i,j) nondecreasing, and column sums Sum_{i=1..n+1} i^2*x(i,j) nondecreasing.

n	a(n)
1	13
2	42
3	141
4	502
5	1739
6	5964
7	20185
8	67609
9	224165
10	737347
11	2407911
12	7814616
13	25223004
14	81015137
15	259099567
16	825507109
17	2621224089
18	8298060296
19	26197890927
20	82506334112
21	259260476024

[13, 42, 141, 502, 1739, 5964, 20185, 67609, 224165, 737347, 2407911, 7814616, 25223004, 81015137, 259099567, 825507109, 2621224089, 8298060296, 26197890927, 82506334112, 259260476024]

cp's OEIS Frontend

A233298 Number of (n+1) X (2+1) 0..1 arrays x(i,j) with row sums Sum_{j=1..2+1} x(i,j) nondecreasing, and column sums Sum_{i=1..n+1} i^2*x(i,j) nondecreasing.

Table of values

List of values