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Table of n, a(n) for n=0..55.
(61,62) is such a pair, hence the name.
Corrected and extended by David W. Wilson
Cf. Ruth-Aaron numbers A006145, A039945.
Sequence in context: A189046 A098328 A062098 * A166637 A237686 A170918
Adjacent sequences: A045756 A045757 A045758 * A045760 A045761 A045762
Mike Keith (domnei(AT)aol.com)