A243366 -id:A243366 - cp's OEIS frontend

A243421 Number of Dyck paths of semilength n having exactly 9 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).

1, 21, 279, 2914, 25771, 201454, 1433041, 9469739, 59016909, 350829247, 2006522229, 11114963598, 59942608977, 316006164419, 1633786190804, 8305527032158, 41603804525306, 205707814621939, 1005426524364506, 4863626362504773, 23309223454202475, 110773290856066906

Offset: 20

Alois P. Heinz, Jun 04 2014

nonn

Alois P. Heinz, Table of n, a(n) for n = 20..550

Column k=9 of A243366.

A243422 Number of Dyck paths of semilength n having exactly 10 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).

Original entry on oeis.org

1, 23, 334, 3793, 36271, 304880, 2319261, 16302850, 107540243, 673544651, 4041910962, 23405090601, 131512656290, 720269482372, 3858780032696, 20281334280042, 104826233409130, 533858971182764, 2683369513323113, 13330082269584906, 65522957179453221

Offset: 22

Alois P. Heinz, Jun 04 2014

nonn

Alois P. Heinz, Table of n, a(n) for n = 22..550

Column k=10 of A243366.

cp's OEIS Frontend

A243421 Number of Dyck paths of semilength n having exactly 9 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).

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