A102726 - cp's OEIS frontend

A102726 Number of compositions of the integer n into positive parts that avoid a fixed pattern of three letters.

n	a(n)
0	1
1	1
2	2
3	4
4	8
5	16
6	31
7	60
8	114
9	214
10	398
11	732
12	1334
13	2410
14	4321
15	7688
16	13590
17	23869
18	41686
19	72405
20	125144
21	215286
22	368778
23	629156
24	1069396
25	1811336
26	3058130
27	5147484
28	8639976
29	14463901
30	24154348
31	40244877
32	66911558
33	111026746
34	183886685
35	304034456
36	501877227

[1, 1, 2, 4, 8, 16, 31, 60, 114, 214, 398, 732, 1334, 2410, 4321, 7688, 13590, 23869, 41686, 72405, 125144, 215286, 368778, 629156, 1069396, 1811336, 3058130, 5147484, 8639976, 14463901, 24154348, 40244877, 66911558, 111026746, 183886685, 304034456, 501877227]

cp's OEIS Frontend

A102726 Number of compositions of the integer n into positive parts that avoid a fixed pattern of three letters.

Table of values

List of values