A233064 - cp's OEIS frontend

A233064 Number of (3+1)X(n+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i*x(i,j), i=1..3+1} nondecreasing.

n	a(n)
1	33
2	161
3	723
4	2875
5	10650
6	36674
7	119979
8	373955
9	1122568
10	3255885
11	9181781
12	25238126
13	67893216
14	179078191
15	464403265
16	1185772147
17	2986754467
18	7429480493
19	18276519761
20	44500586535
21	107358553904
22	256796921471
23	609508203405

[33, 161, 723, 2875, 10650, 36674, 119979, 373955, 1122568, 3255885, 9181781, 25238126, 67893216, 179078191, 464403265, 1185772147, 2986754467, 7429480493, 18276519761, 44500586535, 107358553904, 256796921471, 609508203405]

cp's OEIS Frontend

A233064 Number of (3+1)X(n+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i*x(i,j), i=1..3+1} nondecreasing.

Table of values

List of values