A214271 - cp's OEIS frontend

A214271 Number of compositions of n where the difference between largest and smallest parts equals 2 and adjacent parts are unequal.

n	a(n)
3	0
4	2
5	1
6	8
7	7
8	13
9	25
10	27
11	43
12	71
13	85
14	124
15	186
16	260
17	346
18	509
19	716
20	1002
21	1434
22	1989
23	2829
24	4051
25	5693
26	8043
27	11459
28	16240
29	23028
30	32780
31	46497
32	66031
33	93930
34	133527
35	189826
36	270137
37	384082
38	546262
39	777617
40	1106381
41	1574318
42	2240820
43	3189344
44	4539451
45	6462231

[0, 2, 1, 8, 7, 13, 25, 27, 43, 71, 85, 124, 186, 260, 346, 509, 716, 1002, 1434, 1989, 2829, 4051, 5693, 8043, 11459, 16240, 23028, 32780, 46497, 66031, 93930, 133527, 189826, 270137, 384082, 546262, 777617, 1106381, 1574318, 2240820, 3189344, 4539451, 6462231]

cp's OEIS Frontend

A214271 Number of compositions of n where the difference between largest and smallest parts equals 2 and adjacent parts are unequal.

Table of values

List of values