A250798 - cp's OEIS frontend

A250798 Number of (1+1) X (n+1) 0..1 arrays with nondecreasing min(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	10
2	24
3	54
4	118
5	252
6	530
7	1102
8	2272
9	4654
10	9486
11	19260
12	38986
13	78726
14	158672
15	319318
16	641830
17	1288828
18	2586018
19	5185566
20	10393024
21	20821470
22	41700254
23	83493244
24	167136538
25	334515862
26	669424560
27	1339484742
28	2679997942
29	5361659964

[10, 24, 54, 118, 252, 530, 1102, 2272, 4654, 9486, 19260, 38986, 78726, 158672, 319318, 641830, 1288828, 2586018, 5185566, 10393024, 20821470, 41700254, 83493244, 167136538, 334515862, 669424560, 1339484742, 2679997942, 5361659964]

cp's OEIS Frontend

A250798 Number of (1+1) X (n+1) 0..1 arrays with nondecreasing min(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