A222715 - cp's OEIS frontend

A222715 The number of binary pattern classes in the (2,n)-rectangular grid with 5 '1's and (2n-5) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.

n	a(n)
3	2
4	14
5	66
6	198
7	508
8	1092
9	2156
10	3876
11	6606
12	10626
13	16478
14	24570
15	35672
16	50344
17	69624
18	94248
19	125562
20	164502
21	212762
22	271502
23	342804
24	428076
25	529828
26	649740
27	790790
28	954954
29	1145718
30	1365378
31	1617968
32	1906128
33	2234480
34	2606032
35	3026034
36	3497886
37	4027506

[2, 14, 66, 198, 508, 1092, 2156, 3876, 6606, 10626, 16478, 24570, 35672, 50344, 69624, 94248, 125562, 164502, 212762, 271502, 342804, 428076, 529828, 649740, 790790, 954954, 1145718, 1365378, 1617968, 1906128, 2234480, 2606032, 3026034, 3497886, 4027506]

cp's OEIS Frontend

A222715 The number of binary pattern classes in the (2,n)-rectangular grid with 5 '1's and (2n-5) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.

Table of values

List of values