A250813 - cp's OEIS frontend

A250813 Number of (1+1) X (n+1) 0..2 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	36
2	100
3	225
4	441
5	784
6	1296
7	2025
8	3025
9	4356
10	6084
11	8281
12	11025
13	14400
14	18496
15	23409
16	29241
17	36100
18	44100
19	53361
20	64009
21	76176
22	90000
23	105625
24	123201
25	142884
26	164836
27	189225
28	216225
29	246016
30	278784
31	314721
32	354025
33	396900
34	443556
35	494209

[36, 100, 225, 441, 784, 1296, 2025, 3025, 4356, 6084, 8281, 11025, 14400, 18496, 23409, 29241, 36100, 44100, 53361, 64009, 76176, 90000, 105625, 123201, 142884, 164836, 189225, 216225, 246016, 278784, 314721, 354025, 396900, 443556, 494209]

cp's OEIS Frontend

A250813 Number of (1+1) X (n+1) 0..2 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