1,1
Eric Weisstein's World of Mathematics, Motzkin Number
Eric Weisstein's World of Mathematics, Integer Sequence Primes
Cf. A001006, A092832.
Sequence in context: A032025 A088662 A073710 this_sequence A055257 A084068 A046243
Adjacent sequences: A092828 A092829 A092830 this_sequence A092832 A092833 A092834
nonn,more
Eric Weisstein (eric(AT)weisstein.com), Mar 06, 2004
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