The number of closed walks of 2n unit steps north, east, south, or west starting and ending at the origin and confined to the first octant.
1, 1, 3, 14, 84, 594, 4719, 40898, 379236, 3711916, 37975756, 403127256
7 seqfan posts
Sat Jan 29 01:12:19 CET 2011 [seqfan] Re: A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Fri Jan 28 21:53:02 CET 2011 [seqfan] Re: A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Fri Jan 28 21:33:37 CET 2011 [seqfan] Re: A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Fri Jan 28 18:33:05 CET 2011 [seqfan] Re: A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Fri Jan 28 17:52:40 CET 2011 [seqfan] Re: A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Fri Jan 28 07:00:24 CET 2011 [seqfan] Re: A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Fri Jan 28 05:46:28 CET 2011 [seqfan] A005700 Number of Dyck paths: a(n) = <not a Dyck path>
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.