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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
30, 464, 902, 21475, 74945, 82208, 254677, 2460260 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 18 13:59 EDT 2019. Contains 328161 sequences. (Running on oeis4.)