A130706 a(0) = 1, a(1) = 2, a(n) = 0 for n > 1.

1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

0,2

Comments

Inverse binomial transform of A005408.

Decimal expansion of 3/25. - Franklin T. Adams-Watters, Mar 08 2019

2^n mod 4. - Charles R Greathouse IV, Apr 30 2019

Links

Table of n, a(n) for n=0..104.

Formula

G.f.: 1 + 2*x.

Mathematica

RealDigits[12, 10, 100][[1]] (* Alonso del Arte, Sep 16 2016 *)

Prog

(PARI) .12 \\ Charles R Greathouse IV, Sep 16 2016

Crossrefs

Sequence in context: A276306 A340851 A130779 * A000038 A335462 A353349

Adjacent sequences: A130703 A130704 A130705 * A130707 A130708 A130709

Keyword

easy,nonn

Author

Philippe Deléham, Jun 27 2007

Status

approved