A247710 - cp's OEIS frontend

A247710 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape W; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-2)/2)*2) read by rows.

n	a(n)
0	1
1	1
2	5
3	56
4	461
5	32
6	8
7	3558
8	368
9	80
10	23966
11	3256
12	696
13	24
14	8
15	178127
16	29564
17	6558
18	360
19	80
20	1362597
21	266672
22	61858
23	4852
24	770
25	24
26	8
27	10194184
28	2361632
29	581452
30	58732
31	8890
32	384
33	80
34	75684682
35	20056764
36	5220634
37	632044
38	97174
39	5968
40	914
41	24
42	8

[1, 1, 5, 56, 461, 32, 8, 3558, 368, 80, 23966, 3256, 696, 24, 8, 178127, 29564, 6558, 360, 80, 1362597, 266672, 61858, 4852, 770, 24, 8, 10194184, 2361632, 581452, 58732, 8890, 384, 80, 75684682, 20056764, 5220634, 632044, 97174, 5968, 914, 24, 8]

cp's OEIS Frontend

A247710 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape W; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-2)/2)*2) read by rows.

Table of values

List of values