A182692 Composite Beatty sequence of sqrt(3).

2, 3, 7, 12, 28, 48, 113, 195, 461, 798, 1888, 3270, 7736, 13399, 31702, 54909, 129916, 225021, 532405, 922152, 2181835, 3779049, 8941325, 15486829, 36642230, 63466204, 150162650, 260089339, 615377983, 1065865932

Offset

1,1

Comments

The bisection (3,12,48,...) is a subsequence of A022838.

The bisection (2,7,28,...) is a subsequence of A054406.

See the comment at A107857 regarding Beatty sequences.

Links

Table of n, a(n) for n=1..30.

Formula

a(n)=floor(s*a(n-1)) if n odd, a(n)=floor(r*a(n-1)) if n even, where r=sqrt(3), s=(r+3)/2, a(1)=floor(s).

Crossrefs

Cf. A022838, A054406, A107857, A182631.

Sequence in context: A283823 A263658 A296517 * A203837 A342132 A032173

Adjacent sequences: A182689 A182690 A182691 * A182693 A182694 A182695

Keyword

nonn

Author

Clark Kimberling, Nov 27 2010

Status

approved