A022331 - OEIS

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A022331

Index of 2^n within sequence of numbers of form 2^i*3^j.

1, 2, 4, 6, 9, 13, 17, 22, 28, 34, 41, 48, 56, 65, 74, 84, 95, 106, 118, 130, 143, 157, 171, 186, 202, 218, 235, 253, 271, 290, 309, 329, 350, 371, 393, 416, 439, 463, 487, 512, 538, 564, 591, 619, 647, 676, 706, 736, 767, 798, 830, 863, 896, 930, 965, 1000, 1036, 1072 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Moshe Levin, Table of n, a(n) for n = 0..1000`
	FORMULA	`a(n) = A071521(A000079(n)); A003586(a(n)) = A000079(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 09 2006`
	CROSSREFS	`Cf. A022330.` `Sequence in context: A025705 A022792 A025697 * A087483 A154255 A006697` `Adjacent sequences: A022328 A022329 A022330 * A022332 A022333 A022334`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 14 19:37 EST 2012. Contains 205663 sequences.