A336749 - cp's OEIS frontend

A336749 Number of circular arrangements of the first n positive integers such that adjacent terms have absolute difference 1 or 4.

n	a(n)
5	1
6	0
7	1
8	1
9	1
10	3
11	2
12	3
13	6
14	5
15	10
16	12
17	14
18	25
19	27
20	40
21	57
22	68
23	104
24	133
25	177
26	255
27	324
28	454
29	617
30	811
31	1136
32	1507
33	2042
34	2803
35	3729
36	5109
37	6904
38	9290
39	12692
40	17070
41	23152
42	31430
43	42361
44	57567
45	77842
46	105279
47	142865
48	193040
49	261589
50	354316
51	479189
52	649498
53	878905

[1, 0, 1, 1, 1, 3, 2, 3, 6, 5, 10, 12, 14, 25, 27, 40, 57, 68, 104, 133, 177, 255, 324, 454, 617, 811, 1136, 1507, 2042, 2803, 3729, 5109, 6904, 9290, 12692, 17070, 23152, 31430, 42361, 57567, 77842, 105279, 142865, 193040, 261589, 354316, 479189, 649498, 878905]

cp's OEIS Frontend

A336749 Number of circular arrangements of the first n positive integers such that adjacent terms have absolute difference 1 or 4.

Table of values

List of values