1,1
Of course this is different from A038127.
Sequence in context: A090909 A001950 A022841 this_sequence A038127 A140398 A081838
Adjacent sequences: A047477 A047478 A047479 this_sequence A047481 A047482 A047483
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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