A233297 - cp's OEIS frontend

A233297 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.

n	a(n)
1	7
2	15
3	31
4	64
5	129
6	258
7	515
8	1029
9	2055
10	4107
11	8211
12	16410
13	32811
14	65624
15	131224
16	262372
17	524634
18	1049237
19	2098363
20	4196161
21	8391728
22	16783688
23	33567165
24	67128918
25	134250383
26	268502449
27	536999938
28	1073948247
29	2147837919
30	4295732271

[7, 15, 31, 64, 129, 258, 515, 1029, 2055, 4107, 8211, 16410, 32811, 65624, 131224, 262372, 524634, 1049237, 2098363, 4196161, 8391728, 16783688, 33567165, 67128918, 134250383, 268502449, 536999938, 1073948247, 2147837919, 4295732271]

cp's OEIS Frontend

A233297 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.

Table of values

List of values