A059592 - OEIS

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A059592

Square-full part of n^2+1.

1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 17, 1, 1, 29, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 13, 1, 1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,8`
	COMMENTS	`a(n)=A000188[n^2+1], A059591[n]*a(n)^2 = n^2+1 Related to period-1 continued fractions [z,z,z,...]` `A124808 gives number of numbers m<=n with a(m)=1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 08`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 0..1000`
	EXAMPLE	`a(7)=5 since 7^2+1 = 50 = 252 = (5^2)2`
	CROSSREFS	`A000188, A059591, A007913.` `Cf. A002522.` `Sequence in context: A162298 A146306 A119788 * A098087 A165485 A179947` `Adjacent sequences: A059589 A059590 A059591 * A059593 A059594 A059595`
	KEYWORD	`easy,nonn`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com), Jan 25 2001`

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.