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A073347 a(1)=1; a(n+1) is the smallest integer > a(n) such that sum(k=a(n),a(n+1),1/sqrt(k))>Pi. +0
1
5, 14, 28, 46, 69, 97, 130, 168, 211, 259, 311, 368, 430, 497, 569, 646, 728, 815, 907, 1004, 1105, 1211, 1322, 1438, 1559, 1685, 1816, 1952, 2093, 2239, 2390, 2546, 2706, 2871, 3041, 3216, 3396, 3581, 3771, 3966, 4166, 4371, 4581, 4796, 5016, 5240, 5469 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n) is asymptotic to Pi^2*n^2/4

CROSSREFS

Sequence in context: A110325 A140342 A055454 this_sequence A134238 A024800 A005586

Adjacent sequences: A073344 A073345 A073346 this_sequence A073348 A073349 A073350

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 23 2002

page 1

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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