id:A123740 - OEIS Search Results

Search: id:A123740

Displaying 1-1 of 1 results found.

page 1

Characteristic sequence for Wythoff AB-numbers A003623.

+0
3

0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Left shifted sequence is the characteristic function of A035336, and also the second lowest digit of the Zeckendorf expansion of n. [From Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Jun 30 2009]`
	REFERENCES	`See references under A000201.`
	FORMULA	`a(n)=1 if n=A(B(k)) for some k>=1, else 0, with A(k):=A000201(k) and B(k):=A001950(k), k>=1.` `a(n)=1-(1-h(n))-(1-h(n+1)) = h(n)-(1-h(n+1))= h(n)*h(n+1) with h(n):=A005614(n-1), n>=1, the rabbit sequence.`
	CROSSREFS	`Cf. A003623, A000201, A001950.` `Cf. A003849,A014417. [From Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Jun 30 2009]` `Sequence in context: A025125 A147873 A103589 this_sequence A129272 A059648 A079261` `Adjacent sequences: A123737 A123738 A123739 this_sequence A123741 A123742 A123743`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Oct 13 2006`

page 1

Search completed in 0.002 seconds

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research