id:A098152 - OEIS Search Results

Search: id:A098152

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a(n) = a(n-1)^2 + n, with a(0)=0.

+0
1

0, 1, 3, 12, 148, 21909, 480004287, 230404115538378376, 53086056457022411804685755744397384, 2818129390158170901506703075470572449397357853477615482257305306043465 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Index entries for sequences of form a(n+1)=a(n)^2 + ...`
	FORMULA	`For n>0, a(n) =floor[1.366609561487624975914833969579996...^(2^n)] =floor[A028300(n)^0.68178667449368682115305109818...] =ceiling[A003095(n)^1.53346965582393874689368175542252...].`
	EXAMPLE	`a(4) =a(3)^2+4 =12^2+4 =148.`
	CROSSREFS	`Adjacent sequences: A098149 A098150 A098151 this_sequence A098153 A098154 A098155` `Sequence in context: A035087 A056426 A056417 this_sequence A028301 A004168 A061960`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Oct 25 2004`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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