0,3

a(n)=(n-sqrt(4))^n/2+(n+sqrt(4))^n/2.

Cf. A084064, A084065.

Adjacent sequences: A084093 A084094 A084095 this_sequence A084097 A084098 A084099

Sequence in context: A105219 A037205 A060071 this_sequence A137664 A014392 A008462

easy,nonn

Paul Barry (pbarry(AT)wit.ie), May 11 2003