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A066675 a(n) = A066674(n)-1 divided by the n-th prime. 7

%I #12 Mar 25 2021 04:52:19

%S 1,2,2,4,2,4,6,10,2,2,10,4,2,4,6,2,12,6,4,8,4,4,2,2,4,6,6,6,10,2,4,2,

%T 6,4,8,6,10,4,14,2,2,6,2,4,18,4,10,12,24,12,2,2,6,2,6,6,8,6,4,2,6,2,4,

%U 6,6,26,6,10,6,10,14,2,6,4,12,12,24,6,8,4,2,10,2,4,10,2,8,30,6,12,6,8,4

%N a(n) = A066674(n)-1 divided by the n-th prime.

%C Is this a duplicate of A035096? - _R. J. Mathar_, Dec 15 2008

%H Amiram Eldar, <a href="/A066675/b066675.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = min{m : phi(m) == 0 (mod p(n))} = min{m : A000010(m) == 0 (mod A000040(n))}.

%Y Cf. A000010, A000040, A035096, A066674, A066675, A066676, A066677, A066678.

%K nonn

%O 1,2

%A _Labos Elemer_, Dec 19 2001

%E a(2) corrected by _R. J. Mathar_, Dec 15 2008

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)