A187320 a(n) = floor((Pi-2)*n); complement of A186544.

0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81, 82, 83, 84, 85, 86, 87, 89, 90, 91, 92, 93, 94, 95, 97, 98, 99, 100, 101, 102, 103, 105, 106, 107, 108, 109, 110, 111, 113, 114, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 127, 128, 130, 131, 132, 133, 134, 135, 136

Offset: 0

Author

Clark Kimberling, Mar 08 2011

Keywords

• nonn

Comments

a(n) = A047592(n) for 1 <= n <= 112, but a(113) = 128 and A047592(113) = 129. - Georg Fischer, Oct 28 2018

Links

• Georg Fischer, Table of n, a(n) for n = 0..1000

Crossrefs

Cf. A000796, A186544.

Programs

Maple

seq(floor((Pi-2)*n),n=0..120); # Muniru A Asiru, Oct 28 2018

Mathematica

Table[Floor[(Pi-2)n], {n,0,120}]

PARI

a(n) = (Pi-2)*n\1 \\ Charles R Greathouse IV, Jan 27 2015

Formula

a(n) = floor((Pi-2)*n).