0,2
INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 1056
Sequence in context: A098589 A024744 A024964 this_sequence A071728 A036550 A071732
Adjacent sequences: A061531 A061532 A061533 this_sequence A061535 A061536 A061537
nonn
Henry Bottomley (se16(AT)btinternet.com), May 16 2001
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