1,1
{7} UNION A045471. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 18 2008]
Sequence in context: A003599 A018508 A038277 this_sequence A077411 A085016 A067690
Adjacent sequences: A045459 A045460 A045461 this_sequence A045463 A045464 A045465
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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