A329185 - cp's OEIS frontend

A329185 Number of ways to tile a 2 X n grid with dominoes and L-trominoes such that no four tiles meet at a corner.

n	a(n)
0	1
1	1
2	2
3	5
4	10
5	22
6	49
7	105
8	227
9	494
10	1071
11	2322
12	5038
13	10927
14	23699
15	51405
16	111498
17	241837
18	524546
19	1137742
20	2467761
21	5352577
22	11609747
23	25181550
24	54618807
25	118468250
26	256957750
27	557341615
28	1208874523
29	2622050045
30	5687229162
31	12335605733
32	26755941146

[1, 1, 2, 5, 10, 22, 49, 105, 227, 494, 1071, 2322, 5038, 10927, 23699, 51405, 111498, 241837, 524546, 1137742, 2467761, 5352577, 11609747, 25181550, 54618807, 118468250, 256957750, 557341615, 1208874523, 2622050045, 5687229162, 12335605733, 26755941146]

cp's OEIS Frontend

A329185 Number of ways to tile a 2 X n grid with dominoes and L-trominoes such that no four tiles meet at a corner.

Table of values

List of values