A134906 a(n) = ceiling(n*exp(-tan(n))).

1, 18, 4, 2, 147, 9, 3, 7181, 15, 6, 1481148085628412373142705746959543003289563510386989143402672337886302490562710486232930994662688988, 23, 9, 1, 36, 12, 1, 57, 17, 3, 97, 22, 5, 203, 29, 8

Offset

1,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Table[Ceiling[n Exp[-Tan[n]]], {n, 30}] (* Vincenzo Librandi, Feb 18 2013 *)

Crossrefs

Cf. A134890, A134891, A134892, A134902, A134903, A134904, A134905.

Sequence in context: A321263 A040313 A051522 * A018815 A014974 A008575

Adjacent sequences: A134903 A134904 A134905 * A134907 A134908 A134909

Keyword

nonn,easy

Author

Mohammad K. Azarian, Nov 14 2007

Extensions

Offset corrected by Mohammad K. Azarian, Nov 19 2008

a(11) corrected by Vincenzo Librandi, Feb 18 2013

Status

approved