1,5
Cf. A081512, A081513.
Sequence in context: A011448 A067280 A167157 this_sequence A109206 A088422 A100833
Adjacent sequences: A081511 A081512 A081513 this_sequence A081515 A081516 A081517
nonn,tabl,more
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 27 2003
Corrected by Caleb M. Shor (cshor(AT)bates.edu), Sep 26 2007
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