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Search: id:A091309
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A091309 Partial sums of A091316. +0
2
1, 3, 5, 8, 10, 13, 17, 20, 24, 26, 29, 33, 36, 40, 45, 51, 55, 60, 66, 69, 73, 78, 84, 88, 93, 95, 98, 102, 105, 109, 114, 120, 124, 129, 135, 138, 142, 147, 153, 157, 162, 168, 175, 183, 188, 194, 201, 209, 218, 228, 234, 241, 249, 258, 262, 267, 273, 280, 288, 293 (list; graph; listen)
OFFSET

1,2

FORMULA

Is a(n) asymptotic to c*n*log(n)*log(log(n)) with c=0.6...?

EXAMPLE

a(a(1)+a(2))=a(2), therefore a(3)=a(2)=2. a(a(1)+a(2)+a(3))=a(3) therefore a(5)=2. So a(4) is undefined but from the rule a(4)=a(3)+1=3.

CROSSREFS

Cf. A091316.

Adjacent sequences: A091306 A091307 A091308 this_sequence A091310 A091311 A091312

Sequence in context: A060606 A050504 A072150 this_sequence A027922 A051611 A005004

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 20 2004

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.


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