1,5
Cf. A122435.
Sequence in context: A043161 A043941 A117476 this_sequence A063554 A059805 A141694
Adjacent sequences: A122433 A122434 A122435 this_sequence A122437 A122438 A122439
nonn
Sven Simon (sven-h.simon(AT)t-online.de), Sep 04 2006
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