id:A069196 - OEIS Search Results

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a(1)=1, a(2)=3; for n>1, a(n+2)=(a(n+1)+a(n))/3 if (a(n+1)+a(n)==0 (mod 3)); a(n+2)=(a(n+1)+a(n))/2 if (a(n+1)+a(n)==0 (mod 2)); and a(n+2)=a(n+1)+a(n) otherwise.

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1, 3, 2, 5, 7, 4, 11, 5, 8, 13, 7, 10, 17, 9, 13, 11, 8, 19, 9, 14, 23, 37, 20, 19, 13, 16, 29, 15, 22, 37, 59, 32, 91, 41, 44, 85, 43, 64, 107, 57, 82, 139, 221, 120, 341, 461, 401, 431, 416, 847, 421, 634, 1055, 563, 809, 686, 1495, 727, 1111, 919, 1015, 967, 991 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A Collatz-Fibonacci mixture. Does this sequence diverge to infinity?`
	CROSSREFS	`Cf. A006369.` `Sequence in context: A097284 A105353 A115966 this_sequence A108918 A118320 A082334` `Adjacent sequences: A069193 A069194 A069195 this_sequence A069197 A069198 A069199`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 11 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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