|
| |
|
|
A243420
|
|
Number of Dyck paths of semilength n having exactly 8 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).
|
|
2
|
|
|
|
1, 19, 229, 2184, 17759, 128509, 851831, 5278129, 31020976, 174803309, 952033480, 5042006351, 26087126992, 132340281386, 660143136637, 3245280843311, 15751929981822, 75602686035094, 359256881535197, 1691965976395069, 7904617778358794, 36660673151053000
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
18,2
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
