1,2
a(4) = 8 = (1, 2, 0, 1) dot (1, 3, 3, 1) = (1 + 6 + 0 + 1).
Sequence in context: A076797 A052977 A099846 this_sequence A056765 A080006 A112656
Adjacent sequences: A141772 A141773 A141774 this_sequence A141776 A141777 A141778
nonn
Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 03 2008
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