id:A037211 - OEIS Search Results

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Smallest natural number k such that periodic part of 1/sqrt(k) is n (or 0 if no such number).

+0
2

1, 81, 2025, 9, 20736, 324, 36, 1296, 5184, 1, 9801, 81, 680625, 2509056, 160579584, 4356, 3828515625, 37387847900390625, 3025, 164433494016, 245025, 680625, 2025, 95712890625, 17015625, 156816, 627264, 1936, 40144896, 59820556640625 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=A037207(n)^2 - Henry Bottomley.`
	EXAMPLE	`1/sqrt(20736)=.0069444444444444444444; a(4)=20736.`
	CROSSREFS	`Sequence in context: A107914 A050634 A065791 this_sequence A038676 A016840 A128832` `Adjacent sequences: A037208 A037209 A037210 this_sequence A037212 A037213 A037214`
	KEYWORD	`nonn,base,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`I believe a(n)=0 will eventually occur (see A037207).` `More terms from Henry Bottomley (se16(AT)btinternet.com), Apr 28 2000`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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