A077433 - OEIS

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A077433

Number of separating zeros to represent A077431.

0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,23`
	FORMULA	`floor((floor(Log10(2*n^2))+1)/2).`
	EXAMPLE	`a(256)=3, as A077431(256)=256000256 and A077432(256)=256000256^2=65536'131072'065536; two zeros would not be enough, as 25600256^2 = 65537'31072'65536.`
	CROSSREFS	`a(n)=floor(A077430(n)/2).` `Sequence in context: A178487 A044932 A065687 * A065685 A084100 A130130` `Adjacent sequences: A077430 A077431 A077432 * A077434 A077435 A077436`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 05 2002`

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Last modified February 16 21:17 EST 2012. Contains 205971 sequences.