login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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; internal format)
OFFSET

1,1

COMMENTS

No more terms through 6000000. - Ryan Propper (rpropper(AT)stanford.edu), Sep 18 2005

CROSSREFS

Cf. A001006.

Sequence in context: A035710 A042746 A024524 * A161573 A161976 A162377

Adjacent sequences:  A081733 A081734 A081735 * A081737 A081738 A081739

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2003

EXTENSIONS

2 more terms from Ryan Propper (rpropper(AT)stanford.edu), Sep 18 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 23:53 EST 2012. Contains 205860 sequences.