id:A069203 - OEIS Search Results

Search: id:A069203

Displaying 1-1 of 1 results found.

page 1

a(1)=0 a(2)=3 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) otherwise.

+0
1

0, 3, 1, 4, 5, 3, 8, 11, 19, 10, 29, 13, 14, 9, 23, 32, 55, 29, 28, 19, 47, 22, 23, 15, 38, 53, 91, 48, 139, 187, 326, 171, 497, 668, 1165, 611, 592, 401, 331, 244, 575, 273, 848, 1121, 1969, 1030, 2999, 1343, 4342, 1895, 2079, 3974, 6053, 10027, 5360, 5129 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A Collatz-Fibonacci mixture. If a(1)=0 and a(2)=m not congruent to 3, a(n) is cyclic (m,m,2m). Does this sequence diverge to infinity if a(1)=0 and a(2)=m == 0 (mod 3)?`
	CROSSREFS	`Sequence in context: A029637 A097207 A118469 this_sequence A046070 A068399 A105177` `Adjacent sequences: A069200 A069201 A069202 this_sequence A069204 A069205 A069206`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 11 2002`

page 1

Search completed in 0.002 seconds

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research