1,3
Cf. A133500, A135381, A135382.
Sequence in context: A154470 A090106 A167662 this_sequence A032521 A044921 A050608
Adjacent sequences: A135380 A135381 A135382 this_sequence A135384 A135385 A135386
nonn,base
J. H. Conway and N. J. A. Sloane (njas(AT)research.att.com), Dec 10 2007
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