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A221792 Number of n-digit cuban primes. 3

%I #19 Jan 14 2020 22:16:12

%S 1,3,7,17,36,109,265,762,2125,5964,17205,49989,145047,424155,1250298,

%T 3697457,10985390,32768938,98054446,294239322,885300000,2669959359,

%U 8069333311,24435519147

%N Number of n-digit cuban primes.

%F a(n) = A113478(n) - A113478(n-1). - _Jens Kruse Andersen_, Jul 14 2014

%Y Cf. A002407, A113478, A221793.

%K nonn,base,more

%O 1,2

%A _Vladimir Pletser_, Jan 25 2013

%E a(19)-a(24) added from A113478 by _Andrew Howroyd_, Jan 14 2020

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Last modified April 19 08:08 EDT 2024. Contains 371782 sequences. (Running on oeis4.)