login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Row products of the triangle in A199333.
5

%I #7 Apr 22 2021 14:08:03

%S 1,1,2,9,175,8281,1856261,649893049,817291210163,1847322434679121,

%T 14368726069959027071,342031303262647675287601,

%U 13964481217238950868653586531,1889891784470148590323094656731121,586215019967842464352819482405063771511

%N Row products of the triangle in A199333.

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

%C A199696(n) = A007947(a(n));

%C A020639(a(n)) = A008578(n); A006530(a(n)) = A199582(n).

%o (Haskell)

%o a199695 = product . a199333_row

%Y Cf. A199333, A199694.

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Nov 09 2011