A222972 - cp's OEIS frontend

A222972 Number of 4 X (n+1) 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope.

n	a(n)
1	1
2	10
3	314
4	3140
5	53292
6	487830
7	6811479
8	62248790
9	767197516
10	7042095920
11	81955369777
12	758479227700
13	8507298585600
14	79472821382440
15	870035427428542
16	8203118157997530

[1, 10, 314, 3140, 53292, 487830, 6811479, 62248790, 767197516, 7042095920, 81955369777, 758479227700, 8507298585600, 79472821382440, 870035427428542, 8203118157997530]

cp's OEIS Frontend

A222972 Number of 4 X (n+1) 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope.

Table of values

List of values