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A053759
a(n) = a(a(n-6))+a(n-a(n-6)) if n>2 otherwise a(n)=1.
0
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
MAPLE
a := proc(n) option remember; if n<=2 then 1 else a(a(n-6))+a(n-a(n-6)); fi; end;
CROSSREFS
Sequence in context: A097043 A245336 A356964 * A060431 A228298 A368918
KEYWORD
easy,nonn
AUTHOR
Henry Bottomley, Apr 05 2000
STATUS
approved