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A264666 Triangle of partial row products of A264662.

%I A264666 #4 Nov 20 2015 23:27:49
%S A264666 2,2,6,2,10,30,2,10,30,210,2,10,30,330,2310,2,10,130,390,4290,30030,2,
%T A264666 34,170,2210,6630,72930,510510,2,34,170,2210,6630,125970,1385670,
%U A264666 9699690,2,34,170,2210,6630,125970,1385670,9699690,223092870,2,34,170,2210
%N A264666 Triangle of partial row products of A264662.
%C A264666 T(n,1) = A264662(n,1) and T(n,k) = A264662(n,k) * T(n,k-1), k=2..n;
%C A264666 T(n,n) = A002110(n).
%H A264666 Reinhard Zumkeller, <a href="/A264666/b264666.txt">Rows n = 1..125 of triangle, flattened</a>
%e A264666 .  1:  2
%e A264666 .  2:  2, 6
%e A264666 .  3:  2,10, 30
%e A264666 .  4:  2,10, 30, 210
%e A264666 .  5:  2,10, 30, 330, 2310
%e A264666 .  6:  2,10,130, 390, 4290, 30030
%e A264666 .  7:  2,34,170,2210, 6630, 72930, 510510
%e A264666 .  8:  2,34,170,2210, 6630,125970,1385670, 9699690
%e A264666 .  9:  2,34,170,2210, 6630,125970,1385670, 9699690,223092870
%e A264666 . 10:  2,34,170,2210,64090,192270,3653130,40184430,281291010,6469693230 .
%o A264666 (Haskell)
%o A264666 a264666 n k = a264666_tabl !! (n-1) !! (n-1)
%o A264666 a264666_row n = a264666_tabl !! (n-1)
%o A264666 a264666_tabl = map (scanl1 (*)) a264662_tabl
%Y A264666 Cf. A264662, A002110.
%K A264666 nonn,tabl
%O A264666 1,1
%A A264666 _Reinhard Zumkeller_, Nov 20 2015