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A081736 Numbers n such that n is not an odd prime and not a square of prime and the n-th Motzkin number == 1 (mod n). 0

%I

%S 30,464,902,21475,74945,82208,254677,2460260

%N Numbers n such that n is not an odd prime and not a square of prime and the n-th Motzkin number == 1 (mod n).

%C No more terms through 6000000. - _Ryan Propper_, Sep 18 2005

%Y Cf. A001006.

%K nonn,more

%O 1,1

%A _Benoit Cloitre_, Apr 06 2003

%E 2 more terms from _Ryan Propper_, Sep 18 2005

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Last modified March 23 14:17 EDT 2019. Contains 321431 sequences. (Running on oeis4.)