A247708 - cp's OEIS frontend

A247708 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape U; triangle T(n,k), n>=0, read by rows.

n	a(n)
0	1
1	1
2	5
3	39
4	16
5	1
6	369
7	120
8	12
9	2908
10	1000
11	98
12	19185
13	7474
14	1228
15	60
16	3
17	137200
18	63896
19	12448
20	1092
21	53
22	1022915
23	540562
24	120034
25	12676
26	590
27	4
28	7606043
29	4365686
30	1084022
31	140512
32	8836
33	250
34	5
35	55699672
36	34738058
37	9663366
38	1466724
39	124242
40	5984
41	166

[1, 1, 5, 39, 16, 1, 369, 120, 12, 2908, 1000, 98, 19185, 7474, 1228, 60, 3, 137200, 63896, 12448, 1092, 53, 1022915, 540562, 120034, 12676, 590, 4, 7606043, 4365686, 1084022, 140512, 8836, 250, 5, 55699672, 34738058, 9663366, 1466724, 124242, 5984, 166]

cp's OEIS Frontend

A247708 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape U; triangle T(n,k), n>=0, read by rows.

Table of values

List of values