A098232 - OEIS

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A098232

Largest power of 2 <= 3^n.

1, 2, 8, 16, 64, 128, 512, 2048, 4096, 16384, 32768, 131072, 524288, 1048576, 4194304, 8388608, 33554432, 67108864, 268435456, 1073741824, 2147483648, 8589934592, 17179869184, 68719476736, 274877906944, 549755813888 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n) = 2^floor[n*log2(3)] =A000079(A056576(n)) =A000244(n)-A056577(n).`
	EXAMPLE	`a(4)=64 since 3^4=81 and 64<=81<128.`
	CROSSREFS	`Cf. A022921.` `Sequence in context: A066792 A096195 A094014 * A195798 A100736 A099888` `Adjacent sequences: A098229 A098230 A098231 * A098233 A098234 A098235`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Oct 25 2004`

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Last modified February 17 10:57 EST 2012. Contains 206009 sequences.