A243419 Number of Dyck paths of semilength n having exactly 7 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).

1, 17, 184, 1589, 11802, 78666, 484163, 2806039, 15527186, 82851064, 429392845, 2173167944, 10783733773, 52629404231, 253233665755, 1203597734972, 5659518993517, 26361150741197, 121755788054172, 558129404726455, 2541096189931118, 11497990460196322

Offset

16,2

Links

Alois P. Heinz, Table of n, a(n) for n = 16..550

Crossrefs

Column k=7 of A243366.

Sequence in context: A116964 A167578 A181401 * A270497 A025958 A199674

Adjacent sequences: A243416 A243417 A243418 * A243420 A243421 A243422

Keyword

nonn

Author

Alois P. Heinz, Jun 04 2014

Status

approved