A362195 - cp's OEIS frontend

A362195 Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 8 with exactly one descent.

n	a(n)
0	1
1	1
2	2
3	5
4	12
5	27
6	58
7	121
8	247
9	493
10	958
11	1805
12	3290
13	5799
14	9894
15	16369
16	26317
17	41209
18	62986
19	94165
20	137960
21	198419
22	280578
23	390633
24	536131
25	726181
26	971686
27	1285597
28	1683190
29	2182367
30	2803982
31	3572193
32	4514841
33	5663857
34	7055698
35	8731813
36	10739140
37	13130635

[1, 1, 2, 5, 12, 27, 58, 121, 247, 493, 958, 1805, 3290, 5799, 9894, 16369, 26317, 41209, 62986, 94165, 137960, 198419, 280578, 390633, 536131, 726181, 971686, 1285597, 1683190, 2182367, 2803982, 3572193, 4514841, 5663857, 7055698, 8731813, 10739140, 13130635]

cp's OEIS Frontend

A362195 Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 8 with exactly one descent.

Table of values

List of values