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Irregular triangle T(n,k) = A096162(n,k)* A036040(n,k)* A048996(n,k)*A098546(n,k)* A178886(n,k) read by rows, 1<=k<=A000041(n).
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%I #6 Mar 31 2012 13:23:39

%S 1,2,2,6,36,6,24,192,72,432,24,120,1200,2400,3600,5400,4800,120,720,

%T 8640,21600,7200,32400,259200,10800,57600,194400,54000,720,5040,70560,

%U 211680,352800,317520,3175200,1058400,1587600,705600,12700800,2116800,882000,5292000,635040,5040,40320,645120,2257920,4515840

%N Irregular triangle T(n,k) = A096162(n,k)* A036040(n,k)* A048996(n,k)*A098546(n,k)* A178886(n,k) read by rows, 1<=k<=A000041(n).

%e The factor sequences begin

%e 1..1..2..1..1..6

%e 1..1..1..1..3..1

%e 1..1..1..1..2..1

%e 1..2..1..3..3..1

%e 1..1..1..2..2..1

%e so the present sequence begins

%e 1..2..2..6..36..6

%Y Cf. A000041 (row lengths) A096161 A000110 A000079 A098545 A000522 A179235 (row sums)

%K easy,nonn,tabf

%O 1,2

%A _Alford Arnold_, Jul 04 2010