A233505 - cp's OEIS frontend

A233505 Number of tilings of a 2 X 2 X n box using bricks of shape 3 X 1 X 1 and 2 X 1 X 1.

n	a(n)
0	1
1	2
2	9
3	45
4	201
5	1062
6	5564
7	28859
8	152012
9	799387
10	4202165
11	22117465
12	116385352
13	612443308
14	3223118545
15	16961953022
16	89264218645
17	469766599585
18	2472212575433
19	13010374123502
20	68468999197712
21	360328057238019
22	1896278913278432
23	9979444454056631

[1, 2, 9, 45, 201, 1062, 5564, 28859, 152012, 799387, 4202165, 22117465, 116385352, 612443308, 3223118545, 16961953022, 89264218645, 469766599585, 2472212575433, 13010374123502, 68468999197712, 360328057238019, 1896278913278432, 9979444454056631]

cp's OEIS Frontend

A233505 Number of tilings of a 2 X 2 X n box using bricks of shape 3 X 1 X 1 and 2 X 1 X 1.

Table of values

List of values