A347825 - cp's OEIS frontend

A347825 Number of ways to cut a 2 X n rectangle into rectangles with integer sides up to symmetries of the rectangle.

n	a(n)
0	1
1	2
2	6
3	17
4	61
5	220
6	883
7	3597
8	15232
9	65130
10	282294
11	1229729
12	5384065
13	23630332
14	103922707
15	457561989
16	2016346540
17	8890227762
18	39212714934
19	173001054449
20	763388725141
21	3368934926716
22	14868728620387
23	65626328874621
24	289666423135048
25	1278582804528090

[1, 2, 6, 17, 61, 220, 883, 3597, 15232, 65130, 282294, 1229729, 5384065, 23630332, 103922707, 457561989, 2016346540, 8890227762, 39212714934, 173001054449, 763388725141, 3368934926716, 14868728620387, 65626328874621, 289666423135048, 1278582804528090]

cp's OEIS Frontend

A347825 Number of ways to cut a 2 X n rectangle into rectangles with integer sides up to symmetries of the rectangle.

Table of values

List of values