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A161767 a(0)=0, a(1)=2. For n >=2, a(n) = the smallest integer >= a(n-1)+2 with exactly (a(n-1)-a(n-2)) divisors. 1
0, 2, 5, 9, 14, 16, 19, 25, 28, 49, 576, 46221064723759104 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

a(n)-a(n-1) = number of divisors of a(n+1) = A161768(n).

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Cf. A000005, A161768.

Sequence in context: A284916 A070986 A074793 * A235333 A060139 A266899

Adjacent sequences:  A161764 A161765 A161766 * A161768 A161769 A161770

KEYWORD

nonn

AUTHOR

Leroy Quet, Jun 18 2009

EXTENSIONS

a(11) from Amiram Eldar, Jan 27 2019

STATUS

approved

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Last modified February 20 15:20 EST 2019. Contains 320336 sequences. (Running on oeis4.)