0,2
Cf. A109507.
Sequence in context: A066553 A137309 A028024 this_sequence A001724 A062194 A004372
Adjacent sequences: A109505 A109506 A109507 this_sequence A109509 A109510 A109511
nonn
Jonathan Vos Post (jvospost3(AT)gmail.com) and Robert G. Wilson v, Jun 30 2005
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