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Third column (m=3) of triangle A144891 (S1hat(5)).
2

%I #7 Jul 04 2023 13:06:39

%S 1,5,55,485,4380,39570,421800,4265100,49455000,594001800,7784683200,

%T 107814672000,1624964544000,25881953328000,443107288512000,

%U 8028628336512000,154539996629760000,3135393617489280000,67045955961922560000,1503619681171829760000,35321502985569884160000

%N Third column (m=3) of triangle A144891 (S1hat(5)).

%F a(n) = A144891(n+3,3), n>=0.

%Y Cf. A144891, A001720 (first column), A144893 (second column).

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_, Oct 09 2008