A188225 - cp's OEIS frontend

A188225 Number of ways to select 15 knights from n knights sitting at a round table if no adjacent knights are chosen.

n	a(n)
30	2
31	31
32	256
33	1496
34	6936
35	27132
36	93024
37	286824
38	810084
39	2124694
40	5230016
41	12183560
42	27041560
43	57500460
44	117675360
45	232676280
46	445962870
47	830905245
48	1508593920
49	2674776720
50	4639918800
51	7887861960
52	13160496960
53	21578373360
54	34810394760

[2, 31, 256, 1496, 6936, 27132, 93024, 286824, 810084, 2124694, 5230016, 12183560, 27041560, 57500460, 117675360, 232676280, 445962870, 830905245, 1508593920, 2674776720, 4639918800, 7887861960, 13160496960, 21578373360, 34810394760]

cp's OEIS Frontend

A188225 Number of ways to select 15 knights from n knights sitting at a round table if no adjacent knights are chosen.

Table of values

List of values