A292154 - cp's OEIS frontend

A292154 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 picked positions have both a point symmetry and a line symmetry.

n	a(n)
1	1
2	4
3	6
4	9
5	36
6	8
7	16
8	120
9	24
10	56
11	25
12	300
13	72
14	186
15	50
16	36
17	630
18	144
19	473
20	128
21	648
22	49
23	1176
24	288
25	1024
26	320
27	1660
28	728
29	64
30	2016
31	480
32	1952
33	608
34	3560
35	1520
36	7326

[1, 4, 6, 9, 36, 8, 16, 120, 24, 56, 25, 300, 72, 186, 50, 36, 630, 144, 473, 128, 648, 49, 1176, 288, 1024, 320, 1660, 728, 64, 2016, 480, 1952, 608, 3560, 1520, 7326]

cp's OEIS Frontend

A292154 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 picked positions have both a point symmetry and a line symmetry.

Table of values

List of values