A243492 - OEIS

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A243492

Difference A243491(n) - A127301(n).

0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 2, -2, 0, 7, 4, 0, -7, -4, 7, 0, -7, 0, 0, 0, 4, -4, 0, 14, 8, 0, -14, -8, 14, 0, -14, 0, 29, 19, 25, 16, 14, 10, 5, -10, -29, -19, -5, -16, -25, -14, 47, 26, 17, 0, 0, 0, -17, -47, -26, 37, 12, -12, -37, 0, 0, 0, 8, -8, 0, 28, 16, 0, -28, -16, 28, 0, -28, 0

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OFFSET

0,12

COMMENTS

A243490 gives the positions of zeros, which are also the fixed points of A069787. They correspond to the dots shown on the y=0 line of the arcsinh-version of scatter plot.

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..6917

A. Karttunen, On the fixed points of A071661 (Notes in OEIS Wiki)

FORMULA

a(n) = A243491(n) - A127301(n) = A127301(A069787(n)) - A127301(n).

PROG

(Scheme) (define (A243492 n) (- (A243491 n) (A127301 n)))

CROSSREFS

Cf. A069787, A243490, A057505, A079438, A123050, A080070, A153239, A153240, A153241, A154477.

Sequence in context: A296492 A135006 A323675 * A086118 A104986 A060007

Adjacent sequences: A243489 A243490 A243491 * A243493 A243494 A243495

KEYWORD

sign,look

AUTHOR

Antti Karttunen, Jun 07 2014

STATUS

approved