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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).
1
30, 464, 902, 21475, 74945, 82208, 254677, 2460260
OFFSET
1,1
COMMENTS
No more terms through 6000000. - Ryan Propper, Sep 18 2005
CROSSREFS
Cf. A001006.
Sequence in context: A042746 A281700 A024524 * A161573 A161976 A162377
KEYWORD
nonn,more
AUTHOR
Benoit Cloitre, Apr 06 2003
EXTENSIONS
2 more terms from Ryan Propper, Sep 18 2005
STATUS
approved