-1,5

Table of n, a(n) for n=-1..68.

a := proc(n) option remember; if n<=2 then 1 else a(a(n-4))+a(n-a(n-4)); fi; end;

Cf. A004001, A005229.

Sequence in context: A003005 A245321 A006163 * A256562 A228297 A303788

Adjacent sequences: A053754 A053755 A053756 * A053758 A053759 A053760

easy,nonn

Henry Bottomley, Apr 05 2000

approved