A212453 a(n) = ceiling(4n + log(4n)).

6, 11, 15, 19, 23, 28, 32, 36, 40, 44, 48, 52, 56, 61, 65, 69, 73, 77, 81, 85, 89, 93, 97, 101, 105, 109, 113, 117, 121, 125, 129, 133, 137, 141, 145, 149, 153, 158, 162, 166, 170, 174, 178, 182, 186, 190, 194, 198, 202, 206, 210, 214, 218, 222, 226, 230

Offset

1,1

Links

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

Mathematica

Table[Ceiling[4*n + Log[4*n]], {n, 100}] (* T. D. Noe, May 21 2012 *)

Prog

(Magma) [Ceiling(4*n + Log(4*n)): n in [1..80]]; // Vincenzo Librandi, Feb 14 2013

Crossrefs

Cf. A000523, A062153, A102572, A212445-A212454.

Sequence in context: A315397 A315398 A315399 * A315400 A315401 A315402

Adjacent sequences: A212450 A212451 A212452 * A212454 A212455 A212456

Keyword

nonn,easy

Author

Mohammad K. Azarian, May 17 2012

Status

approved