Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

0,6

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

With[{c = Sqrt[7] - Sqrt[5]}, Floor[c Range[0, 80]]] (* Vincenzo Librandi, Aug 01 2013 *)

(MAGMA) [Floor(n*(Sqrt(7)-Sqrt(5))): n in [0..80]]; // Vincenzo Librandi, Aug 01 2013

Cf. A172264, A172266-A172270, A172272-A172278.

Sequence in context: A100719 A057354 A172476 * A231151 A097508 A244225

Adjacent sequences: A172264 A172265 A172266 * A172268 A172269 A172270

nonn,easy

Vincenzo Librandi, Jan 30 2010

approved