A238559 - cp's OEIS frontend

A238559 Number T(n,k) of equivalence classes of ways of placing k 4 X 4 tiles in an n X 8 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=4, 0<=k<=2*floor(n/4), read by rows.

n	a(n)
4	1
5	3
6	1
7	1
8	3
9	2
10	1
11	6
12	4
13	1
14	6
15	6
16	1
17	9
18	17
19	5
20	1
21	1
22	9
23	32
24	18
25	4
26	1
27	12
28	56
29	46
30	13
31	1
32	12
33	84
34	90
35	31
36	1
37	15
38	121
39	193
40	98
41	13
42	1
43	1
44	15
45	162
46	360
47	275
48	66
49	6
50	1
51	18
52	212
53	664
54	672
55	250
56	31
57	1
58	18
59	266
60	1080
61	1408
62	672
63	110
64	1
65	21
66	329
67	1711
68	2797
69	1772
70	432
71	23
72	1

[1, 3, 1, 1, 3, 2, 1, 6, 4, 1, 6, 6, 1, 9, 17, 5, 1, 1, 9, 32, 18, 4, 1, 12, 56, 46, 13, 1, 12, 84, 90, 31, 1, 15, 121, 193, 98, 13, 1, 1, 15, 162, 360, 275, 66, 6, 1, 18, 212, 664, 672, 250, 31, 1, 18, 266, 1080, 1408, 672, 110, 1, 21, 329, 1711, 2797, 1772, 432, 23, 1]

cp's OEIS Frontend

A238559 Number T(n,k) of equivalence classes of ways of placing k 4 X 4 tiles in an n X 8 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=4, 0<=k<=2*floor(n/4), read by rows.

Table of values

List of values