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A186027 Numerators of coefficients of x^2 in continued fraction expansion of A106400. 2
1, -2, 1, -1, -1, -1, 1, -1, 1, -3, 1, -1, -3, 1, -1, 1, 1, -3, 1, -1, -1, -5, 1, -1, 15, -17, -1, 1, -17, 15, 1, -1, -15, 13, -3, 3, 13, -19, 3, -3, 19, -37, 15, -15, -37, -113, 15, -15, -113, 111, -17, 17, -111, -467, -17, 17, -467, 465, 1, -1, -31, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Corresponding denominators are A186028.

LINKS

Table of n, a(n) for n=0..61.

Guo-Niu Han, Hankel determinant calculus for the Thue-Morse and related sequences, Journal of Number Theory, Volume 147, February 2015, Pages 374-395. See vn p. 376.

CROSSREFS

Cf. A186026, A186028.

Sequence in context: A321125 A205617 A204112 * A322482 A231071 A209156

Adjacent sequences:  A186024 A186025 A186026 * A186028 A186029 A186030

KEYWORD

sign

AUTHOR

Paul Barry, Feb 10 2011

EXTENSIONS

a(0)=1 inserted by Michel Marcus, May 16 2020

STATUS

approved

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Last modified July 29 17:41 EDT 2021. Contains 346346 sequences. (Running on oeis4.)