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A121857 Ceiling(e*(n^(1/2))). 17
0, 3, 4, 5, 6, 7, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

MATHEMATICA

Table[Ceiling[E Sqrt[n]], {n, 0, 80}] (* Vincenzo Librandi, Feb 21 2013 *)

CROSSREFS

Sequence in context: A168093 A095254 A225179 * A121854 A196119 A225852

Adjacent sequences:  A121854 A121855 A121856 * A121858 A121859 A121860

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian, Aug 30 2006

EXTENSIONS

Corrected the first offset. - Mohammad K. Azarian, Nov 19 2008

STATUS

approved

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Last modified May 25 12:28 EDT 2013. Contains 225647 sequences.