A109253 - cp's OEIS frontend

A109253 Number of elements of the Weyl group of type B where a reduced word contains all of the simple reflections.

n	a(n)
0	1
1	1
2	5
3	35
4	309
5	3287
6	41005
7	588487
8	9571125
9	174230863
10	3513016445
11	77760961991
12	1875249535941
13	48946667107295
14	1374949148971597
15	41361812577803383
16	1326708910645563669
17	45201102932347559503
18	1630193308027321807133
19	62047171055048539457255

[1, 1, 5, 35, 309, 3287, 41005, 588487, 9571125, 174230863, 3513016445, 77760961991, 1875249535941, 48946667107295, 1374949148971597, 41361812577803383, 1326708910645563669, 45201102932347559503, 1630193308027321807133, 62047171055048539457255]

cp's OEIS Frontend

A109253 Number of elements of the Weyl group of type B where a reduced word contains all of the simple reflections.

Table of values

List of values