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A154103 Auxiliary array for computing A153835. 3
0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

A(x,y): A(0,0), A(1,0), A(0,1), A(2,0), A(1,1), A(0,2), ... is 1 if y=0 and x!=0, or if A085207bi(2*x, y) is greater than A085207bi(2*y, x), 0 otherwise.

LINKS

A. Karttunen, Table of n, a(n) for n = 0..1274

PROG

(MIT Scheme:)

(define (A154103bi x y) (cond ((and (zero? y) (not (zero? x))) 1) ((> (A085207bi (* 2 x) y) (A085207bi (* 2 y) x)) 1) (else 0)))

(define (A154103 n) (A154103bi (A002262 n) (A025581 n)))

CROSSREFS

Transpose: A154104. Cf. A085207, A002262, A025581.

Sequence in context: A282317 A212126 A144605 * A116178 A028999 A091244

Adjacent sequences:  A154100 A154101 A154102 * A154104 A154105 A154106

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen, Jan 05 2009

STATUS

approved

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Last modified July 20 22:20 EDT 2019. Contains 325189 sequences. (Running on oeis4.)