id:A081735 - OEIS Search Results

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Numbers n such that the n-th Motzkin number == 1 (mod n).

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3, 4, 5, 7, 11, 13, 17, 19, 23, 25, 29, 30, 31, 37, 41, 43, 47, 49, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`All odd primes and all squares of primes are in the sequence. First composite (and not square of prime) are : 30,464,902,21475....`
	CROSSREFS	`Cf. A001006.` `Sequence in context: A082378 A046642 A140826 this_sequence A107036 A001605 A101762` `Adjacent sequences: A081732 A081733 A081734 this_sequence A081736 A081737 A081738`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2003`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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