A055435 - OEIS

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A055435

(1/18)*Difference between concatenation of n and n^2 and concatenation of n^2 and n.

0, -1, -3, 14, 15, 15, 14, 12, 9, 5, -55, -126, -208, -301, -405, -520, -646, -783, -931, -1090, -1260, -1441, -1633, -1836, -2050, -2275, -2511, -2758, -3016, -3285, -3565, 12144, 12342, 12529, 12705, 12870, 13024, 13167, 13299, 13420 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	FORMULA	`a(n) =(A053061(n)-A055436(n))/18 =n(10^floor[2log10(W2)+1]-1-n*(10^floor[log10(W2)+1]-1))/18`
	CROSSREFS	`Sequence in context: A155886 A138959 A171653 * A070418 A178363 A034120` `Adjacent sequences: A055432 A055433 A055434 * A055436 A055437 A055438`
	KEYWORD	`base,easy,sign`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), May 18 2000`

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.