0,2
Problem 5412, Amer. Math. Monthly, 74 (1967), 874-875.
Adjacent sequences: A002034 A002035 A002036 this_sequence A002038 A002039 A002040
Sequence in context: A126676 A073100 A093536 this_sequence A030265 A007221 A013711
nonn
njas
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