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A164370 Sequence A005418 written in base 2. 2
1, 10, 11, 110, 1010, 10100, 100100, 1001000, 10001000, 100010000, 1000010000, 10000100000, 100000100000, 1000001000000, 10000001000000, 100000010000000, 1000000010000000, 10000000100000000, 100000000100000000, 1000000001000000000, 10000000001000000000, 100000000010000000000, 1000000000010000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Union of A163449, A163664 and number 10.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..995

Index entries for linear recurrences with constant coefficients, signature (10,10,-100).

FORMULA

G.f.: x*(800*x^4-99*x^2+1) / ((10*x-1)*(10*x^2-1)). - Colin Barker, Sep 23 2013

MATHEMATICA

Rest[CoefficientList[Series[x*(800*x^4 - 99*x^2 + 1)/((10*x - 1)*(10*x^2 - 1)), {x, 0, 50}], x]] (* G. C. Greubel, Sep 17 2017 *)

PROG

(PARI)

A005418(n)= 2^(n-2) + 2^(n\2-1);

b2t(v)=sum(k=1, #v, v[#v+1-k]*10^(k-1));

a(n)=b2t(binary( A005418(n)));

\\ Joerg Arndt, Sep 16 2013

(PARI) x='x+O('x^50); Vec(x*(800*x^4-99*x^2+1)/((10*x-1)*(10*x^2-1))) \\ G. C. Greubel, Sep 17 2017

CROSSREFS

Sequence in context: A041216 A094026 A035526 * A287948 A287626 A059458

Adjacent sequences:  A164367 A164368 A164369 * A164371 A164372 A164373

KEYWORD

nonn,base,less,easy

AUTHOR

Jaroslav Krizek, Aug 14 2009

EXTENSIONS

Edited by Joerg Arndt, Sep 16 2013

STATUS

approved

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Last modified February 17 14:12 EST 2018. Contains 299296 sequences. (Running on oeis4.)