A250764 - cp's OEIS frontend

A250764 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 absolute value of x(i,j)-x(i-1,j) in the j direction.

n	a(n)
1	35
2	62
3	114
4	216
5	418
6	820
7	1622
8	3224
9	6426
10	12828
11	25630
12	51232
13	102434
14	204836
15	409638
16	819240
17	1638442
18	3276844
19	6553646
20	13107248
21	26214450
22	52428852
23	104857654
24	209715256
25	419430458
26	838860860
27	1677721662
28	3355443264

[35, 62, 114, 216, 418, 820, 1622, 3224, 6426, 12828, 25630, 51232, 102434, 204836, 409638, 819240, 1638442, 3276844, 6553646, 13107248, 26214450, 52428852, 104857654, 209715256, 419430458, 838860860, 1677721662, 3355443264]

cp's OEIS Frontend

A250764 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 absolute value of x(i,j)-x(i-1,j) in the j direction.

Table of values

List of values