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Products of distinct terms in n-th row of the triangle in A199333.
4

%I #11 Jul 13 2024 07:46:28

%S 1,1,2,3,35,91,7337,25493,9351479,42980489,78695113801,584834423801,

%T 4754839123536133,43472885623916761,1887750276489057845213,

%U 21019416307292530253881,4675204650607654300508731931,77008997457626136207428248409

%N Products of distinct terms in n-th row of the triangle in A199333.

%C a(n) = Product_{k=0..floor(n/2)} A199333(n,k);

%C A020639(a(n)) = A008578(n);

%C A006530(a(n)) = A199582(n).

%F a(n) = A007947(A199695(n)).

%o (Haskell)

%o a199696 n = product . (take (n `div` 2 + 1)) $ a199333_row n

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Nov 09 2011