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A189124
Positive integers n such that A005245(n) < min{ A005245(n-1) + 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
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
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Max Alekseyev, Apr 17 2011
EXTENSIONS
More terms from Janis Iraids, Apr 20 2011
STATUS
approved