id:A103128 - OEIS Search Results

Search: id:A103128

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n appears 2n times.

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1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = ceiling(sqrt(2n+1)).`
	CROSSREFS	`Sequence in context: A061555 A071626 A106457 this_sequence A107320 A095186 A101402` `Adjacent sequences: A103125 A103126 A103127 this_sequence A103129 A103130 A103131`
	KEYWORD	`easy,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 17 2005`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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