A223824 - cp's OEIS frontend

A223824 T(n,k) = Number of n X k 0..3 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.

n	a(n)
1	4
2	4
3	4
4	16
5	4
6	16
7	22
8	16
9	16
10	22
11	112
12	22
13	256
14	22
15	112
16	172
17	112
18	484
19	484
20	112
21	172
22	1064
23	172
24	12544
25	744
26	12544
27	172
28	1064
29	1742
30	1064
31	29584
32	25080
33	25080
34	29584
35	1064
36	1742
37	11664
38	1742
39	1132096
40	45000
41	6121472
42	45000
43	1132096
44	1742
45	11664

[4, 4, 4, 16, 4, 16, 22, 16, 16, 22, 112, 22, 256, 22, 112, 172, 112, 484, 484, 112, 172, 1064, 172, 12544, 744, 12544, 172, 1064, 1742, 1064, 29584, 25080, 25080, 29584, 1064, 1742, 11664, 1742, 1132096, 45000, 6121472, 45000, 1132096, 1742, 11664]

cp's OEIS Frontend

A223824 T(n,k) = Number of n X k 0..3 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.

Table of values

List of values