id:A053756 - OEIS Search Results

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a(n)=a(a(n-3))+a(n-a(n-3)) if n>2 otherwise a(n)=1.

+0
1

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

	OFFSET	`0,4`
	COMMENT	`a(n)<=n-1; apparently a(n-1)<=a(n)<=a(n-1)+1.`
	MAPLE	`a := proc(n) option remember; if n<=2 then 1 else a(a(n-3))+a(n-a(n-3)); fi; end;`
	CROSSREFS	`Cf. A004001, A005229.` `Adjacent sequences: A053753 A053754 A053755 this_sequence A053757 A053758 A053759` `Sequence in context: A069210 A006162 A036701 this_sequence A003004 A120507 A090223`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Apr 05 2000`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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