id:A081602 - OEIS Search Results

Search: id:A081602

Displaying 1-1 of 1 results found.

page 1

Number of 0's in ternary representation of n.

+0
11

1, 0, 0, 1, 0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 3, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 3, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 0, 1, 0, 0, 2, 1, 1, 1, 0, 0, 1, 0, 0, 4, 3, 3, 3, 2, 2, 3, 2, 2, 3, 2, 2, 2, 1, 1, 2, 1, 1, 3, 2, 2, 2, 1, 1 (list; graph; listen)

	OFFSET	`0,10`
	COMMENT	`a(n) + A062756(n) + A081603(n) = A081604(n).`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 0..10000` `Eric Weisstein's World of Mathematics, Ternary.`
	FORMULA	`G.f.: 1+(Sum_{k>=0} x^(3^(k+1))/(1+x^(3^k)+x^(2*3^k)))/(1-x). - Franklin T. Adams-Watters, Nov 03 2005` `a(n) = if n<3 then 0^n else a([n/3]) + 0^(n mod 3).`
	CROSSREFS	`Cf. A007089, A081605, A032924, A081607, A081608, A023416, A077267.` `Cf. A134023.` `Sequence in context: A026836 A089052 A051556 this_sequence A077267 A134022 A085975` `Adjacent sequences: A081599 A081600 A081601 this_sequence A081603 A081604 A081605`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 23 2003`

page 1

Search completed in 0.002 seconds

Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

AT&T Labs Research