**Triangle read by rows: T(n,k) is the number of ternary words of length n containing k 012's (n>=0, 0<=k<=floor(n/3)).**

*1, 3, 9, 26, 1, 75, 6, 216, 27, 622, 106, 1, 1791, 387, 9, 5157, 1350, 54, 14849, 4566*

*1 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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