0,2
Cf. A042920.
Sequence in context: A024244 A088055 A065705 this_sequence A123006 A028481 A049659
Adjacent sequences: A042918 A042919 A042920 this_sequence A042922 A042923 A042924
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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