A187330 a(n) = floor((4-sqrt(5))*n); complement of A187339.

0, 1, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19, 21, 22, 24, 26, 28, 29, 31, 33, 35, 37, 38, 40, 42, 44, 45, 47, 49, 51, 52, 54, 56, 58, 59, 61, 63, 65, 67, 68, 70, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 89, 91, 93, 95, 97, 98, 100, 102, 104, 105, 107, 109, 111

Offset

0,3

Links

Robert Israel, Table of n, a(n) for n = 0..10000

Formula

a(n)=floor((4-sqrt(5))n).

Maple

seq(floor((4-sqrt(5))*n), n=0..200); # Robert Israel, Dec 19 2021

Mathematica

Table[Floor[(4-5^(1/2))n], {n, 0, 120}]

Crossrefs

Cf. A187339.

Sequence in context: A047392 A330117 A292648 * A059546 A284366 A037086

Adjacent sequences: A187327 A187328 A187329 * A187331 A187332 A187333

Keyword

nonn

Author

Clark Kimberling, Mar 08 2011

Status

approved