A116696 - cp's OEIS frontend

A116696 Take an n X n square grid of points in the plane; a(n) = number of non-isomorphic ways to divide the points into two sets using a straight line.

n	a(n)
1	1
2	3
3	6
4	15
5	29
6	59
7	99
8	170
9	262
10	401
11	570
12	816
13	1103
14	1499
15	1956
16	2534
17	3195
18	4041
19	4980
20	6153
21	7448
22	8985
23	10674
24	12704
25	14899
26	17473
27	20262
28	23467
29	26914
30	30905
31	35138
32	39996
33	45191
34	50997

[1, 3, 6, 15, 29, 59, 99, 170, 262, 401, 570, 816, 1103, 1499, 1956, 2534, 3195, 4041, 4980, 6153, 7448, 8985, 10674, 12704, 14899, 17473, 20262, 23467, 26914, 30905, 35138, 39996, 45191, 50997]

cp's OEIS Frontend

A116696 Take an n X n square grid of points in the plane; a(n) = number of non-isomorphic ways to divide the points into two sets using a straight line.

Table of values

List of values