A095214 a(n) = floor((Pi/sqrt(2))^n).

1, 2, 4, 10, 24, 54, 120, 266, 593, 1317, 2926, 6501, 14441, 32081, 71266, 158315, 351688, 781255, 1735512, 3855339, 8564410, 19025337, 42263673, 93886277, 208562871, 463310210, 1029216515, 2286344247, 5078979923, 11282656623

Offset: 0

Author

Jason Earls, Jun 22 2004

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A247719 (Pi/sqrt(2)).

Programs

Magma

R:= RealField(20); [Floor((Pi(R)/Sqrt(2))^n): n in [0..30]]; // G. C. Greubel, Sep 27 2018

Mathematica

Floor[(Pi/Sqrt[2])^Range[0,30]] (* Harvey P. Dale, May 12 2014 *)

PARI

vector(30, n, n--; floor((Pi/sqrt(2))^n)) \\ G. C. Greubel, Sep 27 2018