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Table of n, a(n) for n=0..20.
Cf. A115085, A115086 (column 0), A115087 (column 1), A115089 (row sums); A115083.
Sequence in context: A163081 A096239 A074699 * A089622 A241147 A143967
Adjacent sequences: A115085 A115086 A115087 * A115089 A115090 A115091
Paul D. Hanna, Jan 13 2006