1,1
A. H. Beiler, Recreations in the Theory of Numbers, Dover, NY, 1964, p. 42.
Adjacent sequences: A000780 A000781 A000782 this_sequence A000784 A000785 A000786
Sequence in context: A086895 A090086 A007535 this_sequence A098654 A069884 A074844
dead
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