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A186426 Antidiagonal sums of A177517. 1
1, 0, 1, 0, 1, 1, 1, 2, 3, 4, 6, 10, 15, 23, 36, 57, 90, 142, 225, 358, 571, 912, 1458, 2334, 3742, 6006, 9648, 15510, 24951, 40164, 64689, 104241, 168048, 271015, 437221, 705571, 1138934, 1838916, 2969746, 4796900, 7749561, 12521629, 20235080, 32704173, 52862781, 85455587, 138156111, 223375201, 361186480, 584058718, 944511360, 1527499074, 2470446924, 3995662918, 6462775233, 10453566628, 16909223601, 27352387053, 44246403940, 71576559073 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,8

COMMENTS

a(n+1)/a(n) tends to the golden ratio. Grows more slowly than the Fibonacci sequence. More complicated than the Fibonacci sequence.

a(n)=First differences of A186425.

LINKS

Table of n, a(n) for n=1..60.

CROSSREFS

Cf. A001622, A177517, A186425.

Sequence in context: A221993 A221994 A222021 * A018062 A222121 A221995

Adjacent sequences:  A186423 A186424 A186425 * A186427 A186428 A186429

KEYWORD

nonn

AUTHOR

Mats Granvik, Feb 21 2011

STATUS

approved

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Last modified May 9 15:34 EDT 2021. Contains 343742 sequences. (Running on oeis4.)