A053759 a(n) = a(a(n-6))+a(n-a(n-6)) if n>2 otherwise a(n)=1.

1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15, 16, 17, 18, 19, 19, 20, 21, 21, 22, 23, 24, 25, 26, 27, 28, 28, 29, 30, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 39, 40, 41, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 52, 53

Offset

-3,7

Links

Table of n, a(n) for n=-3..63.

Maple

a := proc(n) option remember; if n<=2 then 1 else a(a(n-6))+a(n-a(n-6)); fi; end;

Crossrefs

Cf. A004001, A005229.

Sequence in context: A097043 A245336 A356964 * A060431 A228298 A368918

Adjacent sequences: A053756 A053757 A053758 * A053760 A053761 A053762

Keyword

easy,nonn

Author

Henry Bottomley, Apr 05 2000

Status

approved