1,1
Cf. A001414, A001222.
Adjacent sequences: A064348 A064349 A064350 this_sequence A064352 A064353 A064354
Sequence in context: A114772 A013811 A013892 this_sequence A062678 A018848 A031671
nonn
Jason Earls (zevi_35711(AT)yahoo.com), Oct 15 2001
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