0,3
Cf. A041518.
Sequence in context: A162390 A108515 A167495 this_sequence A060434 A072999 A141179
Adjacent sequences: A041516 A041517 A041518 this_sequence A041520 A041521 A041522
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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