A038305
identification: the entry's rule defines the sequence for every index; tail: the sequence is the entry's tail after some prefix rows; match_*: finite agreement only.
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A038291 → basis A013610
(match triangle)
1 · 10, 3 · 100, 60, 9 · 1000, 900, 270, 27 … row sums 1, 13, 169, 2197, 28561, 371293, …
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Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*3^j.
(tail)
100, 60, 9 · 1000, 900, 270, 27 … row sums 169, 2197, 28561, 371293, 4826809, …