A116711 - cp's OEIS frontend

A116711 Number of permutations of length n which avoid the patterns 123, 3214, 4312.

n	a(n)
1	1
2	2
3	5
4	12
5	23
6	36
7	51
8	68
9	87
10	108
11	131
12	156
13	183
14	212
15	243
16	276
17	311
18	348
19	387
20	428
21	471
22	516
23	563
24	612
25	663
26	716
27	771
28	828
29	887
30	948
31	1011
32	1076
33	1143
34	1212
35	1283
36	1356
37	1431
38	1508
39	1587
40	1668
41	1751
42	1836
43	1923
44	2012
45	2103
46	2196
47	2291
48	2388
49	2487
50	2588

[1, 2, 5, 12, 23, 36, 51, 68, 87, 108, 131, 156, 183, 212, 243, 276, 311, 348, 387, 428, 471, 516, 563, 612, 663, 716, 771, 828, 887, 948, 1011, 1076, 1143, 1212, 1283, 1356, 1431, 1508, 1587, 1668, 1751, 1836, 1923, 2012, 2103, 2196, 2291, 2388, 2487, 2588]

cp's OEIS Frontend

A116711 Number of permutations of length n which avoid the patterns 123, 3214, 4312.

Table of values

List of values