id:A126210 - OEIS Search Results

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Number of 8's in decimal expansion of 8^n.

+0
7

0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 2, 1, 4, 1, 4, 1, 3, 4, 4, 1, 3, 3, 2, 2, 3, 0, 2, 4, 1, 3, 1, 1, 4, 3, 3, 3, 4, 5, 3, 4, 4, 5, 4, 4, 3, 5, 7, 4, 10, 5, 3, 7, 7, 4, 8, 3, 6, 7, 4, 10, 6, 5, 3, 5, 10, 8, 9, 7, 10, 5, 12, 6, 10, 5, 7, 2, 9, 11, 9, 11, 7, 7, 5, 2, 9, 6, 7, 5, 13, 12, 10, 8, 4, 9, 6, 6, 10, 10 (list; graph; listen)

	OFFSET	`0,12`
	MAPLE	`P:=proc(n) local i, k, x, y, w, cont; y:=8; k:=y; for i from 0 by 1 to n do x:=y^i; cont:=0; while x>0 do w:=x-trunc(x/10)*10; if w=k then cont:=cont+1; fi; x:=trunc(x/10); od; print(cont); od; end: P(100);`
	CROSSREFS	`Cf. A065710, A126205, A126206, A126207, A126208, A126209, A126211.` `Sequence in context: A078072 A049776 A079276 this_sequence A040005 A053578 A029205` `Adjacent sequences: A126207 A126208 A126209 this_sequence A126211 A126212 A126213`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paolo P. Lava & Giorgio Balzarotti (ppl(AT)spl.at), Dec 20 2006`

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Last modified September 7 15:18 EDT 2008. Contains 143483 sequences.

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