1,2
Cf. A106385.
Sequence in context: A009848 A153891 A056402 this_sequence A000232 A067789 A063218
Adjacent sequences: A106383 A106384 A106385 this_sequence A106387 A106388 A106389
nonn
Sven Simon (sven-h.simon(AT)t-online.de), Apr 30 2005
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