A362196 - cp's OEIS frontend

A362196 Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 9 with exactly one descent.

n	a(n)
0	1
1	1
2	2
3	5
4	12
5	27
6	58
7	121
8	248
9	502
10	1003
11	1970
12	3785
13	7086
14	12897
15	22804
16	39187
17	65519
18	106744
19	169747
20	263930
21	401909
22	600348
23	880947
24	1271602
25	1807756
26	2533961
27	3505672
28	4791295
29	6474512
30	8656907
31	11460918
32	15033141
33	19548013
34	25211902
35	32267633
36	40999480

[1, 1, 2, 5, 12, 27, 58, 121, 248, 502, 1003, 1970, 3785, 7086, 12897, 22804, 39187, 65519, 106744, 169747, 263930, 401909, 600348, 880947, 1271602, 1807756, 2533961, 3505672, 4791295, 6474512, 8656907, 11460918, 15033141, 19548013, 25211902, 32267633, 40999480]

cp's OEIS Frontend

A362196 Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 9 with exactly one descent.

Table of values

List of values