1,1
Cf. A098007.
Sequence in context: A121743 A084802 A003903 this_sequence A008892 A133215 A015232
Adjacent sequences: A131881 A131882 A131883 this_sequence A131885 A131886 A131887
hard,more,nonn
J. Lowell, jhbubby(AT)mindspring.com, Oct 24 2007
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