id:A071177 - OEIS Search Results

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Square-root of concatenation n'k, where k is minimal with n'k square (decimal notation).

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4, 5, 6, 7, 23, 8, 27, 9, 31, 10, 34, 11, 37, 12, 39, 13, 42, 43, 14, 45, 46, 15, 152, 156, 16, 162, 165, 17, 54, 55, 56, 18, 58, 59, 188, 19, 61, 62, 63, 20, 203, 65, 66, 21, 213, 68, 69, 22, 222, 71, 72, 23, 73, 74, 235, 75, 24, 242 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = A000196(n'A071176(n))`
	EXAMPLE	`a(5) = 23 as 23^2 = 529 = 5'29 and 5'i is nonsquare for i<29, A071176(5)=29.`
	CROSSREFS	`Sequence in context: A161627 A030667 A030677 this_sequence A010754 A051036 A063673` `Adjacent sequences: A071174 A071175 A071176 this_sequence A071178 A071179 A071180`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 15 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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