A135421 - OEIS

%I #13 Sep 08 2022 08:45:32

%S 1,30,32400,1259712000,1763193692160000,88844650093530316800000,

%T 161162887476414617908936704000000,

%U 10524495800322448706290880214277816320000000,24742299477723936603969643338598393206990805401600000000

%N a(n) = 5^n*6^(n^2).

%C Hankel transform of A132865.

%H Vincenzo Librandi, <a href="/A135421/b135421.txt">Table of n, a(n) for n = 0..25</a>

%F a(n) = 5^n*6^(n^2) = A000351(n)*A076781(n).

%t Table[5^n 6^(n^2),{n,0,10}] (* _Harvey P. Dale_, Sep 09 2012 *)

%o (Magma) [5^n*6^(n^2): n in [0..10]]; // _Vincenzo Librandi_, May 30 2011

%K nonn

%O 0,2

%A _Philippe Deléham_, Dec 11 2007