A263160 Number of lattice paths starting at {n}^n and ending when n or any component equals 0 and using steps that decrement one or more components by one.

1, 1, 13, 5419, 328504401, 7622403922836151, 125076804896889941384267749, 2283244029676857615289372083169016508547, 66656513992169790340795231563272399566454175106315563265, 4218602489837041203989313097616905233039652652837921715487541815010092122991

Offset: 0

Author

Alois P. Heinz, Oct 11 2015

Keywords

• nonn
• hard

Links

• Alois P. Heinz and Vaclav Kotesovec, Table of n, a(n) for n = 0..12 (terms 0..10 from Alois P. Heinz)

Crossrefs

Main diagonal of A263159.

Formula

a(n) = A263159(n,n).

Extensions

a(11)-a(12) in b-file from Vaclav Kotesovec, Dec 02 2016