A128695 - cp's OEIS frontend

A128695 Number of compositions of n with parts in N which avoid the adjacent pattern 111.

n	a(n)
0	1
1	1
2	2
3	3
4	7
5	13
6	24
7	46
8	89
9	170
10	324
11	618
12	1183
13	2260
14	4318
15	8249
16	15765
17	30123
18	57556
19	109973
20	210137
21	401525
22	767216
23	1465963
24	2801115
25	5352275
26	10226930
27	19541236
28	37338699
29	71345449
30	136324309
31	260483548
32	497722578
33	951030367

[1, 1, 2, 3, 7, 13, 24, 46, 89, 170, 324, 618, 1183, 2260, 4318, 8249, 15765, 30123, 57556, 109973, 210137, 401525, 767216, 1465963, 2801115, 5352275, 10226930, 19541236, 37338699, 71345449, 136324309, 260483548, 497722578, 951030367]

cp's OEIS Frontend

A128695 Number of compositions of n with parts in N which avoid the adjacent pattern 111.

Table of values

List of values