0,1
Equals 50 * A000217(n) + 4.
Sequence in context: A158259 A095210 A156469 this_sequence A073863 A089205 A055774
Adjacent sequences: A001542 A001543 A001544 this_sequence A001546 A001547 A001548
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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