A243774 Number of Dyck paths of semilength n having exactly five (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).

1, 0, 0, 244, 1, 246, 379, 0, 179790, 0, 5096, 1721037, 1595288, 3992352, 455454822, 842632268, 63280332, 4243256192, 50749141182, 109671572304, 614565138768, 2580550363440, 2759439518892, 4369338844416, 474848703434955, 110506726968, 50798936389648

Offset: 7

Author

Alois P. Heinz, Jun 10 2014

Keywords

• nonn

Examples

			a(7) = 1: UUUUUUUDDDDDDD.
a(11) = 1: UDUUDUUDUUDUUDUUDDDDDD.
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 7..200

Crossrefs

Column k=5 of A243752.

Main diagonal of A243831.