1,3
Cf. A003238, A122934.
Adjacent sequences: A122648 A122649 A122650 this_sequence A122652 A122653 A122654
Sequence in context: A045864 A072302 A116513 this_sequence A130535 A026819 A046155
more,nonn
Zak Seidov, Franklin T. Adams-Watters and Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 21 2006
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