A238586 - cp's OEIS frontend

A238586 Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X 10 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=2, 0<=k<=5*floor(n/2), read by rows.

n	a(n)
2	1
3	5
4	16
5	19
6	9
7	1
8	1
9	5
10	32
11	73
12	66
13	10
14	1
15	10
16	85
17	377
18	961
19	1348
20	1080
21	472
22	111
23	12
24	1
25	1
26	10
27	142
28	1011
29	4429
30	11370
31	17252
32	14478
33	6094
34	1020
35	70
36	1
37	15
38	236
39	2280
40	14203
41	56571
42	146212
43	244063
44	261847
45	179063
46	77974
47	21422
48	3637
49	368
50	24
51	1

[1, 5, 16, 19, 9, 1, 1, 5, 32, 73, 66, 10, 1, 10, 85, 377, 961, 1348, 1080, 472, 111, 12, 1, 1, 10, 142, 1011, 4429, 11370, 17252, 14478, 6094, 1020, 70, 1, 15, 236, 2280, 14203, 56571, 146212, 244063, 261847, 179063, 77974, 21422, 3637, 368, 24, 1]

cp's OEIS Frontend

A238586 Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X 10 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=2, 0<=k<=5*floor(n/2), read by rows.

Table of values

List of values