id:A125948 - 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, at least one of digits 4,5,6 and at least one of digits 7,8,9.

+0
18

10, 100, 982, 9388, 86950, 778780, 6748822, 56713708, 463661830, 3700940860, 28941318262, 222422713228, 1684544507110, 12602134130140, 93308618633302, 684912371803948, 4990975002030790, 36147245625290620, 260449744313893942 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets`
	FORMULA	`a(n)=277^n-816^n+1085^n-814^n+363^n-92^n+1.`
	EXAMPLE	`a(8)=56713708`
	MAPLE	`f:=n->277^n-816^n+1085^n-814^n+363^n-92^n+1;`
	CROSSREFS	`Cf. A125630.` `Sequence in context: A092707 A136876 A136858 this_sequence A121084 A125897 A055992` `Adjacent sequences: A125945 A125946 A125947 this_sequence A125949 A125950 A125951`
	KEYWORD	`nonn,base`
	AUTHOR	`Aleksandar M. Janjic and Milan R. Janjic, (agnus(AT)blic.net), Feb 04 2007`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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