id:A080680 - OEIS Search Results

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Integer part of squareroot of n-th prime == 1 (modulo 4).

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2, 3, 4, 5, 6, 6, 7, 7, 8, 9, 9, 10, 10, 10, 11, 12, 12, 13, 13, 13, 14, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 22, 22, 23, 23, 23, 24, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 27, 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)^2 < A002330(n+2)^2 + A002331(n+2)^2 < a(n+1)^2.`
	FORMULA	`a(n) = A000196(A002144(n)).`
	CROSSREFS	`Sequence in context: A025544 A121856 A132172 this_sequence A005376 A086419 A025548` `Adjacent sequences: A080677 A080678 A080679 this_sequence A080681 A080682 A080683`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Mar 02 2003`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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