A333458 - cp's OEIS frontend

A333458 Irregular table read by rows: Take a diagonal-edged (or diamond-shaped) checkerboard with all diagonals drawn, as in A333434. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.

n	a(n)
1	4
2	84
3	20
4	692
5	312
6	72
7	4
8	2708
9	2020
10	400
11	88
12	0
13	4
14	7876
15	5764
16	1580
17	264
18	20
19	4
20	18220
21	14868
22	4960
23	904
24	112
25	24
26	36764
27	30624
28	11224
29	2496
30	304
31	52
32	66004
33	55192
34	18624
35	3952
36	472
37	48
38	111764
39	97840
40	40008
41	9912
42	1740
43	244
44	36
45	175156
46	158280
47	63632
48	15744
49	2560
50	156
51	8
52	16

[4, 84, 20, 692, 312, 72, 4, 2708, 2020, 400, 88, 0, 4, 7876, 5764, 1580, 264, 20, 4, 18220, 14868, 4960, 904, 112, 24, 36764, 30624, 11224, 2496, 304, 52, 66004, 55192, 18624, 3952, 472, 48, 111764, 97840, 40008, 9912, 1740, 244, 36, 175156, 158280, 63632, 15744, 2560, 156, 8, 16]

cp's OEIS Frontend

A333458 Irregular table read by rows: Take a diagonal-edged (or diamond-shaped) checkerboard with all diagonals drawn, as in A333434. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.

Table of values

List of values