id:A135765 - OEIS Search Results

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Distribute the odd numbers in columns based on the occurrence of "3" in each prime factorization.

+0
3

1, 5, 3, 7, 15, 9, 11, 21, 45, 27, 13, 33, 63, 135, 81, 17, 39, 99, 189, 405, 243, 19, 51, 117, 297, 567, 1215, 729, 23, 57, 153, 351, 891, 1701, 3645, 2187, 25, 69, 171, 459, 1053, 2673, 5103, 10935, 6561, 29, 75, 207, 513, 1377, 3159, 8019, 15309, 32805 (list; table; graph; listen)

	OFFSET	`1,2`
	COMMENT	`The Table can be constructed by multiplying sequence A000244 by A007310.`
	EXAMPLE	`a(06) = 9 because 9 = 331` `a(09) = 45 because 45 = 335` `a(13) = 63 because 63 = 337`
	CROSSREFS	`Cf. A000244 (powers of Three)A000265 (remove 2's from n) A005408 (odd numbers) A007310 (LCF>=5).` `Sequence in context: A110265 A021190 A109694 this_sequence A030669 A030679 A077891` `Adjacent sequences: A135762 A135763 A135764 this_sequence A135766 A135767 A135768`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Nov 28 2007`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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