A250724 - cp's OEIS frontend

A250724 Number of (n+1) X (3+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	50
2	110
3	208
4	365
5	600
6	942
7	1418
8	2065
9	2918
10	4022
11	5420
12	7165
13	9308
14	11910
15	15030
16	18737
17	23098
18	28190
19	34088
20	40877
21	48640
22	57470
23	67458
24	78705
25	91310
26	105382
27	121028
28	138365
29	157508
30	178582
31	201710
32	227025
33	254658
34	284750
35	317440
36	352877

[50, 110, 208, 365, 600, 942, 1418, 2065, 2918, 4022, 5420, 7165, 9308, 11910, 15030, 18737, 23098, 28190, 34088, 40877, 48640, 57470, 67458, 78705, 91310, 105382, 121028, 138365, 157508, 178582, 201710, 227025, 254658, 284750, 317440, 352877]

cp's OEIS Frontend

A250724 Number of (n+1) X (3+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