1,1
Cf. A068340, A076542, A077030-A077033.
Adjacent sequences: A077030 A077031 A077032 this_sequence A077034 A077035 A077036
Sequence in context: A041477 A041478 A042099 this_sequence A043669 A043704 A074748
easy,nonn
Zak Seidov (zakseidov(AT)yahoo.com), Oct 21 2002
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