A233302 - cp's OEIS frontend

A233302 Number of (2+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^2*x(i,j), i=1..2+1} nondecreasing.

n	a(n)
1	15
2	42
3	105
4	232
5	475
6	904
7	1632
8	2806
9	4642
10	7414
11	11500
12	17368
13	25636
14	37054
15	52579
16	73354
17	100799
18	136586
19	182749
20	241654
21	316129
22	409430
23	525392
24	668390
25	843514
26	1056524
27	1314050
28	1623542
29	1993496
30	2433398
31	2953979
32	3567152
33	4286297
34	5126192

[15, 42, 105, 232, 475, 904, 1632, 2806, 4642, 7414, 11500, 17368, 25636, 37054, 52579, 73354, 100799, 136586, 182749, 241654, 316129, 409430, 525392, 668390, 843514, 1056524, 1314050, 1623542, 1993496, 2433398, 2953979, 3567152, 4286297, 5126192]

cp's OEIS Frontend

A233302 Number of (2+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^2*x(i,j), i=1..2+1} nondecreasing.

Table of values

List of values