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
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 16..550
Crossrefs
Column k=7 of A243366.