A339346 a(n) is the number of domino towers of height n consisting of 2*n bricks, a(n) = A333650(2*n, n).

1, 4, 24, 168, 1257, 9778, 77994, 633056, 5204434

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Crossrefs

Cf. A333650.

Sequence in context: A238299 A221656 A366623 * A214377 A331007 A369503

Adjacent sequences: A339343 A339344 A339345 * A339347 A339348 A339349

Keyword

nonn,more

Author

Peter Luschny, Dec 01 2020

Status

approved