0,3
a(4) = 12 = (5 + 0 + 6 + 0 + 1).
Cf. A131321.
Adjacent sequences: A131319 A131320 A131321 this_sequence A131323 A131324 A131325
Sequence in context: A121482 A013498 A034758 this_sequence A036657 A047761 A026786
nonn
Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 28 2007
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