OFFSET

1,3

LINKS

Andrew Howroyd, Table of n, a(n) for n = 1..100

FORMULA

a(n) = A055290(2*n, n). - Andrew Howroyd, Jan 01 2023

CROSSREFS

KEYWORD

nonn

AUTHOR

Gus Wiseman, Jan 01 2023

EXTENSIONS

Terms a(12) and beyond from Andrew Howroyd, Jan 01 2023

STATUS

approved