A247712 - cp's OEIS frontend

A247712 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape Y; triangle T(n,k), n>=0, read by rows.

n	a(n)
0	1
1	1
2	5
3	44
4	12
5	321
6	136
7	44
8	2404
9	1160
10	404
11	24
12	14
13	14692
14	9380
15	3388
16	392
17	90
18	8
19	98831
20	78492
21	30834
22	5724
23	748
24	60
25	684729
26	631020
27	292250
28	74016
29	13280
30	1428
31	58
32	4642752
33	4944856
34	2628566
35	788284
36	171368
37	25648
38	3648
39	228
40	4

[1, 1, 5, 44, 12, 321, 136, 44, 2404, 1160, 404, 24, 14, 14692, 9380, 3388, 392, 90, 8, 98831, 78492, 30834, 5724, 748, 60, 684729, 631020, 292250, 74016, 13280, 1428, 58, 4642752, 4944856, 2628566, 788284, 171368, 25648, 3648, 228, 4]

cp's OEIS Frontend

A247712 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape Y; triangle T(n,k), n>=0, read by rows.

Table of values

List of values