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A163164 Positions n such that A163163(n) is not prime. 0

%I

%S 1,4,6,10,12,14,16,18,20,21,22,24,25,26,28,30,34,36,38,39,40,42,44,45,

%T 46,48,50,51,52,54,55,56,57,58,60,62,64,66,68,70,72,74,75,76,78,80,81,

%U 82,84,85,86,88,90,91,92,93,94,96,99,100,102,104,105,106,108,110,111,112,114,115

%N Positions n such that A163163(n) is not prime.

%e a(1)=1 because A163163(1)=1 is not prime. a(2)=4 because A163163(4)=6 is not prime.

%Y Cf. A000005, A000203, A007503, A163163.

%K nonn,easy

%O 1,2

%A _Juri-Stepan Gerasimov_, Jul 22 2009

%E 33 removed by _R. J. Mathar_, Jul 25 2009

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Last modified October 15 01:40 EDT 2019. Contains 328025 sequences. (Running on oeis4.)