1,1
Cf. A073941, A112088, A072493.
Sequence in context: A026506 A051916 A130216 this_sequence A002859 A062514 A065875
Adjacent sequences: A120159 A120160 A120161 this_sequence A120163 A120164 A120165
nonn
Graeme McRae (g_m(AT)mcraefamily.com), Jun 10 2006
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