A222855 - cp's OEIS frontend

A222855 Number of n X 1 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.

n	a(n)
1	2
2	3
3	6
4	10
5	20
6	36
7	74
8	137
9	282
10	536
11	1100
12	2117
13	4332
14	8406
15	17144
16	33464
17	68058
18	133398
19	270700
20	532230
21	1078080
22	2124714
23	4297434
24	8485470
25	17141764
26	33898436
27	68409684
28	135450295
29	273114928
30	541320762
31	1090693986
32	2163654766
33	4356757738

[2, 3, 6, 10, 20, 36, 74, 137, 282, 536, 1100, 2117, 4332, 8406, 17144, 33464, 68058, 133398, 270700, 532230, 1078080, 2124714, 4297434, 8485470, 17141764, 33898436, 68409684, 135450295, 273114928, 541320762, 1090693986, 2163654766, 4356757738]

cp's OEIS Frontend

A222855 Number of n X 1 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.

Table of values

List of values