cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A243775 Number of Dyck paths of semilength n having exactly six (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).

Original entry on oeis.org

64, 0, 1, 1, 0, 58310, 0, 0, 169352, 82494, 40040, 163083704, 140035157, 306726, 178134488, 7368664408, 6899287752, 86343111918, 221762412480, 89389210680, 45967495392, 229706136771072, 18828656, 987116153856, 88775675895264, 303516229481536, 10355664669739531
Offset: 10

Views

Author

Alois P. Heinz, Jun 10 2014

Keywords

Examples

			a(12) = 1: UUDDUUDDUUDDUUDDUUDDUUDD.
a(13) = 1: UUDUUDUUDUUDUUDUUDUDDDDDDD.
		

Crossrefs

Column k=6 of A243752.
Main diagonal of A243832.