A193093 - OEIS

%I #7 Jan 03 2014 15:58:36

%S 1,2,3,6,14,19,24,72,130,169,120,432,918,1482,1877,720,3000,7224,

%T 13140,19846,24675,5040,23760,63600,127104,210726,304006,372611,40320,

%U 211680,622080,1350000,2412408,3754656,5234114,6340961,362880,2096640

%N Augmentation of the triangular array P=A094727 given by p(n,k)=n+k+1 for 0<=k<=n.  See Comments.

%C For an introduction to the unary operation "augmentation" as applied to triangular arrays or sequences of polynomials, see A193091.

%C Regarding W=A193093, we have w(n,0)=(n+1)! .

%e First 5 rows:

%e 1

%e 2.....3

%e 6.....14....19

%e 24....72....130....169

%e 120...432....918...1482...1877

%t p[n_, k_] := n + k + 1

%t Table[p[n, k], {n, 0, 5}, {k, 0, n}] (* A094727 *)

%t m[n_] := Table[If[i <= j, p[n + 1 - i, j - i], 0], {i, n}, {j, n + 1}]

%t TableForm[m[4]]

%t w[0, 0] = 1; w[1, 0] = p[1, 0]; w[1, 1] = p[1, 1];

%t v[0] = w[0, 0]; v[1] = {w[1, 0], w[1, 1]};

%t v[n_] := v[n - 1].m[n]

%t TableForm[Table[v[n], {n, 0, 6}]] (* A193093 *)

%t Flatten[Table[v[n], {n, 0, 8}]]

%Y Cf. A094727.

%K nonn,tabl

%O 0,2

%A _Clark Kimberling_, Jul 30 2011