

A189124


Positive integers n such that A005245(n) < min{ A005245(n1) + 1, A005245(x) + A005245(y) } where x,y range over positive integers with x*y = n.


3



353942783, 516743639, 1163385647, 1542243239, 1932319583, 2336924879, 3113713259, 3444631199, 3878989487, 4103787551, 4166809919, 4937621453, 5123340683, 5170931639, 5184740299, 5200683263, 5390865059, 5455982879, 5467766947, 5570566315
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OFFSET

1,1


COMMENTS

Counterexamples to the second conjecture of David Wilson on A005245.
a(1), a(2) were found by Martin Fuller; a(3) was found by Janis Iraids.
Prime terms are given by A189125.


LINKS

Janis Iraids, Table of n, a(n) for n = 1..1000
Martin N. Fuller, C program for A005245


CROSSREFS

Cf. A005245, A189123, A189125.
Sequence in context: A219271 A167517 A227642 * A189125 A258610 A227933
Adjacent sequences: A189121 A189122 A189123 * A189125 A189126 A189127


KEYWORD

nonn,hard


AUTHOR

Max Alekseyev, Apr 17 2011


EXTENSIONS

More terms from Janis Iraids, Apr 20 2011


STATUS

approved



