A291716 - cp's OEIS frontend

A291716 Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the center of gravity of the k picked positions coincides with one of the picked positions.

n	a(n)
1	1
2	4
3	0
4	9
5	0
6	8
7	16
8	0
9	24
10	44
11	25
12	0
13	72
14	176
15	610
16	36
17	0
18	144
19	660
20	2996
21	12092
22	49
23	0
24	288
25	1788
26	11492
27	64648
28	323940
29	64
30	0
31	480
32	4116
33	35676
34	269924
35	1811696
36	10866196

[1, 4, 0, 9, 0, 8, 16, 0, 24, 44, 25, 0, 72, 176, 610, 36, 0, 144, 660, 2996, 12092, 49, 0, 288, 1788, 11492, 64648, 323940, 64, 0, 480, 4116, 35676, 269924, 1811696, 10866196]

cp's OEIS Frontend

A291716 Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the center of gravity of the k picked positions coincides with one of the picked positions.

Table of values

List of values