A247705 - cp's OEIS frontend

A247705 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape N; triangle T(n,k), n>=0, read by rows.

n	a(n)
0	1
1	1
2	5
3	48
4	8
5	423
6	68
7	10
8	3082
9	832
10	84
11	8
12	18998
13	7624
14	1230
15	88
16	10
17	133083
18	65360
19	14390
20	1732
21	116
22	8
23	965175
24	555236
25	150876
26	23184
27	2196
28	108
29	6
30	6907447
31	4531744
32	1454292
33	275320
34	33807
35	2616
36	124
37	4
38	48357538
39	36466396
40	13354738
41	3012116
42	457360
43	46872
44	3086
45	104
46	2

[1, 1, 5, 48, 8, 423, 68, 10, 3082, 832, 84, 8, 18998, 7624, 1230, 88, 10, 133083, 65360, 14390, 1732, 116, 8, 965175, 555236, 150876, 23184, 2196, 108, 6, 6907447, 4531744, 1454292, 275320, 33807, 2616, 124, 4, 48357538, 36466396, 13354738, 3012116, 457360, 46872, 3086, 104, 2]

cp's OEIS Frontend

A247705 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape N; triangle T(n,k), n>=0, read by rows.

Table of values

List of values