A238552 - cp's OEIS frontend

A238552 Number T(n,k) of equivalence classes of ways of placing k 4 X 4 tiles in an n X 6 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=4, 0<=k<=floor(n/4), read by rows.

n	a(n)
4	1
5	2
6	1
7	2
8	1
9	4
10	1
11	4
12	1
13	6
14	4
15	1
16	6
17	9
18	1
19	8
20	18
21	1
22	8
23	28
24	1
25	10
26	42
27	10
28	1
29	10
30	57
31	28
32	1
33	12
34	76
35	76
36	1
37	12
38	96
39	140
40	1
41	14
42	120
43	254
44	25
45	1
46	14
47	145
48	392
49	107
50	1
51	16
52	174
53	600
54	321
55	1
56	16
57	204
58	840
59	731
60	1
61	18
62	238
63	1170
64	1462
65	70
66	1
67	18
68	273
69	1540
70	2610
71	366

[1, 2, 1, 2, 1, 4, 1, 4, 1, 6, 4, 1, 6, 9, 1, 8, 18, 1, 8, 28, 1, 10, 42, 10, 1, 10, 57, 28, 1, 12, 76, 76, 1, 12, 96, 140, 1, 14, 120, 254, 25, 1, 14, 145, 392, 107, 1, 16, 174, 600, 321, 1, 16, 204, 840, 731, 1, 18, 238, 1170, 1462, 70, 1, 18, 273, 1540, 2610, 366]

cp's OEIS Frontend

A238552 Number T(n,k) of equivalence classes of ways of placing k 4 X 4 tiles in an n X 6 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=4, 0<=k<=floor(n/4), read by rows.

Table of values

List of values