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A050271 Numbers n such that n=floor(sqrt(n)*ceil(sqrt(n)). +0
1
1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 15, 16, 20, 22, 23, 24, 25, 30, 33, 34, 35, 36, 42, 45, 47, 48, 49, 56, 60, 62, 63, 64, 72, 76, 78, 79, 80, 81, 90, 95, 97, 98, 99, 100, 110, 115, 118, 119, 120, 121, 132, 138, 141, 142, 143, 144, 156, 162, 165, 167, 168, 169, 182, 189, 192 (list; graph; listen)
OFFSET

1,2

FORMULA

Is a(n) asymptotic to C*n^(3/2) where 1/2<C<1 ?

CROSSREFS

Sequence in context: A023759 A004742 A100290 this_sequence A140181 A038032 A010408

Adjacent sequences: A050268 A050269 A050270 this_sequence A050272 A050273 A050274

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), May 10 2003

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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