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A199696
Products of distinct terms in n-th row of the triangle in A199333.
4
1, 1, 2, 3, 35, 91, 7337, 25493, 9351479, 42980489, 78695113801, 584834423801, 4754839123536133, 43472885623916761, 1887750276489057845213, 21019416307292530253881, 4675204650607654300508731931, 77008997457626136207428248409
OFFSET
0,3
COMMENTS
a(n) = Product_{k=0..floor(n/2)} A199333(n,k);
A020639(a(n)) = A008578(n);
A006530(a(n)) = A199582(n).
FORMULA
a(n) = A007947(A199695(n)).
PROG
(Haskell)
a199696 n = product . (take (n `div` 2 + 1)) $ a199333_row n
CROSSREFS
Sequence in context: A143887 A363499 A141503 * A234423 A165448 A111459
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 09 2011
STATUS
approved