1,2
Eric Weisstein's World of Mathematics, Polybe
Sequence in context: A053934 A126443 A054976 this_sequence A133991 A009494 A075271
Adjacent sequences: A088675 A088676 A088677 this_sequence A088679 A088680 A088681
nonn,more
Eric Weisstein (eric(AT)weisstein.com), Oct 04, 2003
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