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A330484 Earliest start of a run of n numbers divisible by a ninth power larger than one. 6

%I #18 Jun 02 2020 19:50:59

%S 512,3995648,2889212890624,18705093636361328125,

%T 19810215665260426138787109374

%N Earliest start of a run of n numbers divisible by a ninth power larger than one.

%C a(6) <= 39109788784614310863666299138574218749. - _Robert Israel_, Jun 02 2020

%e 2889212890624 is divisible by 2^9, 2889212890625 is divisible by 5^9, and 2889212890626 is divisible by 3^9. This is the smallest number with this property, so a(3)=2889212890624.

%Y Cf. A045882, A271443, A330480, A330481, A330482, A330486, A330483, A330485.

%K nonn,more,hard

%O 1,1

%A _Jud McCranie_, Dec 16 2019

%E a(4)-a(5) from _Giovanni Resta_, Dec 17 2019

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Last modified August 27 19:37 EDT 2024. Contains 375471 sequences. (Running on oeis4.)