1,2

Also a(n) = T(2n, n-1), T given by A026536.

Sequence in context: A006253 A045630 A075364 this_sequence A086607 A150913 A150914

Adjacent sequences: A026523 A026524 A026525 this_sequence A026527 A026528 A026529

nonn

Clark Kimberling (ck6(AT)evansville.edu)