A250723 - cp's OEIS frontend

A250723 Number of (n+1) X (2+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

n	a(n)
1	22
2	46
3	85
4	144
5	230
6	350
7	513
8	728
9	1006
10	1358
11	1797
12	2336
13	2990
14	3774
15	4705
16	5800
17	7078
18	8558
19	10261
20	12208
21	14422
22	16926
23	19745
24	22904
25	26430
26	30350
27	34693
28	39488
29	44766
30	50558
31	56897
32	63816
33	71350
34	79534
35	88405
36	98000
37	108358
38	119518
39	131521

[22, 46, 85, 144, 230, 350, 513, 728, 1006, 1358, 1797, 2336, 2990, 3774, 4705, 5800, 7078, 8558, 10261, 12208, 14422, 16926, 19745, 22904, 26430, 30350, 34693, 39488, 44766, 50558, 56897, 63816, 71350, 79534, 88405, 98000, 108358, 119518, 131521]

cp's OEIS Frontend

A250723 Number of (n+1) X (2+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Table of values

List of values