id:A125946 - 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, at least one of digits 3,4,5 and at least one of digits 6,7,8,9.

+0
18

10, 98, 940, 8798, 80140, 709238, 6096100, 50950718, 415060060, 3305238278, 25807024660, 198131841038, 1499550640780, 11213044626518, 82997777543620, 609099122145758, 4437879770746300, 32138240678881958, 231547934781860980 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets`
	FORMULA	`a(n)=247^n-726^n+985^n-764^n+353^n-92^n+1.`
	EXAMPLE	`a(8)=50950718`
	MAPLE	`f:=n->247^n-726^n+985^n-764^n+353^n-92^n+1;`
	CROSSREFS	`Cf. A125630.` `Adjacent sequences: A125943 A125944 A125945 this_sequence A125947 A125948 A125949` `Sequence in context: A125422 A125945 A044642 this_sequence A125880 A125445 A007137`
	KEYWORD	`nonn,base`
	AUTHOR	`Aleksandar M. Janjic and Milan R. Janjic, (agnus(AT)blic.net), Feb 04 2007`

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

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