A204646 - cp's OEIS frontend

A204646 Number of (n+1) X 4 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.

n	a(n)
1	28
2	56
3	104
4	178
5	284
6	434
7	637
8	908
9	1259
10	1708
11	2270
12	2966
13	3814
14	4838
15	6059
16	7504
17	9197
18	11168
19	13444
20	16058
21	19040
22	22426
23	26249
24	30548
25	35359
26	40724
27	46682
28	53278
29	60554
30	68558
31	77335
32	86936
33	97409
34	108808
35	121184
36	134594
37	149092
38	164738
39	181589

[28, 56, 104, 178, 284, 434, 637, 908, 1259, 1708, 2270, 2966, 3814, 4838, 6059, 7504, 9197, 11168, 13444, 16058, 19040, 22426, 26249, 30548, 35359, 40724, 46682, 53278, 60554, 68558, 77335, 86936, 97409, 108808, 121184, 134594, 149092, 164738, 181589]

cp's OEIS Frontend

A204646 Number of (n+1) X 4 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.

Table of values

List of values