OFFSET

1,2

COMMENTS

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..10000

N. J. A. Sloane, Maple program

FORMULA

Empirical: For k >= 0, a(4k+1)=1, a(4k+3)=0; for k >= 1, a(2k)=2*A109812(k).

EXAMPLE

CROSSREFS

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 02 2018

STATUS

approved