id:A072252 - OEIS Search Results

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These are the strips of odd numbers(T) in the odd family (values of r) which on operation with the operator (3T+1)/2^r gives rise to values as 23,17,11,5 for increasing values of r starting from r=1 to r=13.

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27, 93, 309, 981, 2901, 7509, 13653 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Related to Collatz conjecture.`
	FORMULA	`Appears to be (( 82-12n)4^n-1)/3. - Don Reble (djr(AT)nk.ca), Oct 31 2005`
	CROSSREFS	`Sequence in context: A044595 A101100 A078183 this_sequence A118615 A033659 A010015` `Adjacent sequences: A072249 A072250 A072251 this_sequence A072253 A072254 A072255`
	KEYWORD	`nonn,uned`
	AUTHOR	`N. Rathankar (rathankar(AT)yahoo.com), Jul 08 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research