A247707 - cp's OEIS frontend

A247707 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape T; triangle T(n,k), n>=0, 0<=k<=max(0,floor(2*(n-1)/3)), read by rows.

n	a(n)
0	1
1	1
2	5
3	50
4	6
5	437
6	62
7	2
8	3270
9	700
10	36
11	21720
12	5712
13	506
14	12
15	160593
16	48364
17	5444
18	282
19	6
20	1209537
21	425638
22	57648
23	3836
24	122
25	8999307
26	3578302
27	576791
28	48688
29	2226
30	40
31	66054288
32	29550476
33	5500946
34	558036
35	33400
36	1056
37	10
38	485082083
39	239927980
40	50762537
41	6035146
42	440480
43	19180
44	380

[1, 1, 5, 50, 6, 437, 62, 2, 3270, 700, 36, 21720, 5712, 506, 12, 160593, 48364, 5444, 282, 6, 1209537, 425638, 57648, 3836, 122, 8999307, 3578302, 576791, 48688, 2226, 40, 66054288, 29550476, 5500946, 558036, 33400, 1056, 10, 485082083, 239927980, 50762537, 6035146, 440480, 19180, 380]

cp's OEIS Frontend

A247707 Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape T; triangle T(n,k), n>=0, 0<=k<=max(0,floor(2*(n-1)/3)), read by rows.

Table of values

List of values