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A135668 a(n) = ceiling(n + sqrt(n)). 12
2, 4, 5, 6, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Complement of A002061. - Kieren MacMillan, Dec 16 2007
LINKS
MATHEMATICA
Table[Ceiling[n + n^(1/2)], {n, 100}] (* Vincenzo Librandi, Feb 16 2013 *)
PROG
(Magma) [Ceiling(n + n^(1/2)): n in [1..100]]; // Vincenzo Librandi, Feb 16 2013
CROSSREFS
Sequence in context: A039185 A080240 A345443 * A276216 A226946 A288708
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Nov 25 2007
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)