A247709 - cp's OEIS frontend

A247709 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape V; triangle T(n,k), n>=0, 0<=k<=max(0,n-2+delta_{n,3}), read by rows.

n	a(n)
0	1
1	1
2	5
3	38
4	16
5	2
6	329
7	152
8	20
9	2614
10	1224
11	160
12	8
13	17400
14	8656
15	1714
16	168
17	12
18	122843
19	72104
20	17280
21	2300
22	158
23	4
24	901647
25	598444
26	168422
27	25872
28	2284
29	108
30	4
31	6662758
32	4770520
33	1479850
34	260672
35	29166
36	2256
37	124
38	8
39	48492622
40	37416964
41	12800398
42	2601524
43	351578
44	32840
45	2182
46	100
47	4

[1, 1, 5, 38, 16, 2, 329, 152, 20, 2614, 1224, 160, 8, 17400, 8656, 1714, 168, 12, 122843, 72104, 17280, 2300, 158, 4, 901647, 598444, 168422, 25872, 2284, 108, 4, 6662758, 4770520, 1479850, 260672, 29166, 2256, 124, 8, 48492622, 37416964, 12800398, 2601524, 351578, 32840, 2182, 100, 4]

cp's OEIS Frontend

A247709 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape V; triangle T(n,k), n>=0, 0<=k<=max(0,n-2+delta_{n,3}), read by rows.

Table of values

List of values