A250657 - cp's OEIS frontend

A250657 Number of (3+1)X(n+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	39
2	70
3	109
4	156
5	211
6	274
7	345
8	424
9	511
10	606
11	709
12	820
13	939
14	1066
15	1201
16	1344
17	1495
18	1654
19	1821
20	1996
21	2179
22	2370
23	2569
24	2776
25	2991
26	3214
27	3445
28	3684
29	3931
30	4186
31	4449
32	4720
33	4999
34	5286
35	5581
36	5884
37	6195
38	6514
39	6841
40	7176
41	7519
42	7870
43	8229
44	8596
45	8971

[39, 70, 109, 156, 211, 274, 345, 424, 511, 606, 709, 820, 939, 1066, 1201, 1344, 1495, 1654, 1821, 1996, 2179, 2370, 2569, 2776, 2991, 3214, 3445, 3684, 3931, 4186, 4449, 4720, 4999, 5286, 5581, 5884, 6195, 6514, 6841, 7176, 7519, 7870, 8229, 8596, 8971]

cp's OEIS Frontend

A250657 Number of (3+1)X(n+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