A190343 a(n) = floor(n^((n-1)/2)).

1, 1, 3, 8, 25, 88, 343, 1448, 6561, 31622, 161051, 861979, 4826809, 28172943, 170859375, 1073741824, 6975757441, 46753733110, 322687697779, 2289733608959, 16679880978201, 124577080440588, 952809757913927, 7454684703958210

Offset

1,3

Links

Bruno Berselli, Table of n, a(n) for n = 1..200

Example

a(6)=88 since floor(6^(5/2))=88.

Mathematica

Table[Floor[n^((n - 1)/2)], {n, 40}] (* Vincenzo Librandi, Mar 26 2013 *)

Prog

(Magma)  [Floor(n^((n-1)/2)): n in [1..24]];
(PARI) for(n=1, 20, print1(floor(n^((n-1)/2)), ", ")) \\ G. C. Greubel, Dec 30 2017

Crossrefs

Cf. A066642, A075364.

Sequence in context: A148799 A148800 A244278 * A185043 A033483 A130522

Adjacent sequences: A190340 A190341 A190342 * A190344 A190345 A190346

Keyword

nonn

Author

Bruno Berselli, May 12 2011

Status

approved