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A027334
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a(n) = Sum{(k+1)*T(n,m-k)}, 0<=k<=m, where m=0 for n=1; m=n+1 for n >= 2; T given by A026148.
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0
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1, 3, 18, 54, 162, 486, 1458, 4374, 13122, 39366, 118098, 354294, 1062882, 3188646, 9565938, 28697814, 86093442, 258280326, 774840978, 2324522934, 6973568802, 20920706406, 62762119218, 188286357654, 564859072962
(list; graph; refs; listen; history; internal format)
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