id:A053700 - OEIS Search Results

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a(n) = 111111 in base n.

+0
9

6, 63, 364, 1365, 3906, 9331, 19608, 37449, 66430, 111111, 177156, 271453, 402234, 579195, 813616, 1118481, 1508598, 2000719, 2613660, 3368421, 4288306, 5399043, 6728904, 8308825, 10172526, 12356631, 14900788, 17847789, 21243690, 25137931 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) =n^5+n^4+n^3+n^2+n+1 =(n^6-1)/(n-1)`
	EXAMPLE	`a(3)=364 because 111111 base 3 =243+81+27+9+3+1=121`
	CROSSREFS	`Sequence in context: A055005 A027811 A027950 this_sequence A123615 A053535 A039937` `Adjacent sequences: A053697 A053698 A053699 this_sequence A053701 A053702 A053703`
	KEYWORD	`base,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Mar 23 2000`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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