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A167143 Column 0 of the matrix cube of triangle A167015. 3


%S 1,3,9,43,312,3121,39616,602135,10547538,207620746,4514623895,

%T 107150379369,2751648614456,75953000041971,2241736112814551,

%U 70446370941793711,2348550874184397643,82802885494751780415

%N Column 0 of the matrix cube of triangle A167015.

%C This sequence equals the reversal of row 3 of A167015 (when infinitely extended to the left), and then shifted left 1 place.

%C In triangle T=A167015, row n of T equals the initial n terms in column 0 of matrix power T^n, reversed and with an appended '1'.

%C The definition of A167015 may be relaxed to allow the triangle to extend indefinitely also to the left, making each row infinite.

%Y Cf. A167015, other rows: A167016, A167142, A167144, A167145.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Oct 28 2009

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Last modified October 26 11:10 EDT 2021. Contains 348267 sequences. (Running on oeis4.)