id:A090853 - OEIS Search Results

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a(n) is the least positive integer such that the arithmetic-geometric mean satisfies: floor( agm(a(n),a(n-2)) ) = a(n-1) for n>2, with a(1)=1, a(2)=2.

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1, 2, 4, 7, 12, 19, 28, 40, 55, 73, 94, 118, 145, 176, 211, 250, 293, 340, 391, 446, 505, 568, 635, 706, 781, 860, 943, 1030, 1121, 1216, 1315, 1418, 1525, 1637, 1754, 1876, 2003, 2135, 2272, 2414, 2561, 2713, 2870, 3032, 3199, 3371, 3548, 3730, 3917, 4109 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A090852, A090854, A090855.` `Sequence in context: A105807 A066699 A087149 this_sequence A103231 A002622 A035301` `Adjacent sequences: A090850 A090851 A090852 this_sequence A090854 A090855 A090856`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Dec 10 2003`

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

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