0,2
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Cf. A054388.
Sequence in context: A008326 A121395 A090628 this_sequence A112734 A060185 A129110
Adjacent sequences: A054384 A054385 A054386 this_sequence A054388 A054389 A054390
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Eric Weisstein (eric(AT)weisstein.com)
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