id:A125858 - OEIS Search Results

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a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks at least one of digits 1,2,3,4,5,6,7,8,9.

+0
18

10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 999637120, 9980041600, 99381289600, 985729744000, 9726841354240, 95404977568000, 929690189228800, 8999055703648000, 86532737999167360, 826798452380099200 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Note that the first eight terms of the sequence are powers of 10.`
	LINKS	`Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets`
	FORMULA	`a(n)=99^n-368^n+847^n-1266^n+1265^n-844^n+363^n-92^n+1`
	EXAMPLE	`a(9)=999637120`
	MAPLE	`f:=n->99^n-368^n+847^n-1266^n+1265^n-844^n+363^n-92^n+1;`
	CROSSREFS	`Cf. A125630.` `Adjacent sequences: A125855 A125856 A125857 this_sequence A125859 A125860 A125861` `Sequence in context: A135654 A029800 A100061 this_sequence A086067 A136873 A135655`
	KEYWORD	`nonn,base`
	AUTHOR	`Aleksandar M. Janjic and Milan R. Janjic (agnus(AT)blic.net), Feb 03 2007`

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Last modified October 16 00:31 EDT 2008. Contains 145098 sequences.

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