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).

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

Offset

1,1

Comments

No more terms through 6000000. - Ryan Propper, Sep 18 2005

Links

Table of n, a(n) for n=1..8.

Crossrefs

Cf. A001006.

Sequence in context: A042746 A281700 A024524 * A161573 A161976 A162377

Adjacent sequences: A081733 A081734 A081735 * A081737 A081738 A081739

Keyword

nonn,more

Author

Benoit Cloitre, Apr 06 2003

Extensions

2 more terms from Ryan Propper, Sep 18 2005

Status

approved