0,3
Cf. A042724.
Sequence in context: A068366 A156499 A137881 this_sequence A041096 A007541 A087485
Adjacent sequences: A042722 A042723 A042724 this_sequence A042726 A042727 A042728
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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