A250765 - cp's OEIS frontend

A250765 Number of (n+1) X (4+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	68
2	114
3	196
4	350
5	648
6	1234
7	2396
8	4710
9	9328
10	18554
11	36996
12	73870
13	147608
14	295074
15	589996
16	1179830
17	2359488
18	4718794
19	9437396
20	18874590
21	37748968
22	75497714
23	150995196
24	301990150
25	603980048
26	1207959834
27	2415919396
28	4831838510

[68, 114, 196, 350, 648, 1234, 2396, 4710, 9328, 18554, 36996, 73870, 147608, 295074, 589996, 1179830, 2359488, 4718794, 9437396, 18874590, 37748968, 75497714, 150995196, 301990150, 603980048, 1207959834, 2415919396, 4831838510]

cp's OEIS Frontend

A250765 Number of (n+1) X (4+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