id:A072259 - OEIS Search Results

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((6n+37)*4^n-1)/3.

+0
6

12, 57, 261, 1173, 5205, 22869, 99669, 431445, 1856853, 7951701, 33903957, 144004437, 609572181, 2572506453, 10826896725, 45455070549, 190410216789, 796000605525, 3321441375573 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Related to Collatz function (for n>0). All divisible by 3.`
	CROSSREFS	`Cf. A072257, A072258, A072260.` `Sequence in context: A071270 A051877 A121693 this_sequence A167533 A062477 A048362` `Adjacent sequences: A072256 A072257 A072258 this_sequence A072260 A072261 A072262`
	KEYWORD	`nonn`
	AUTHOR	`rathankar (rathankar(AT)yahoo.com), Jul 08 2002`
	EXTENSIONS	`Edited and extended by Henry Bottomley (se16(AT)btinternet.com), Aug 06 2002`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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