A081958 - OEIS

%I #20 Jan 18 2021 03:09:45

%S 2,8,36,180,1080,7560,60480,524160,5241600,56609280,670602240,

%T 8622028800,118879488000,1793381990400,28158588057600,474249904128000,

%U 8447576417280000,159659194286592000,3162772610629632000,66117689869271040000,1445143792856924160000

%N Diagonal of A081957.

%H James Rayman, <a href="/A081958/b081958.txt">Table of n, a(n) for n = 1..400</a>

%o (Python) def a(n): return row(n)[-1] # row(n) is given in A081957. - _James Rayman_, Jan 17 2021

%Y Cf. A081957, A081959, A081960.

%K nonn

%O 1,1

%A _Amarnath Murthy_, Apr 02 2003

%E Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 08 2003

%E a(11)-a(19) from _James Rayman_, Jan 16 2021

%E Corrected and extended by _James Rayman_, Jan 17 2021