A135421 a(n) = 5^n*6^(n^2).

1, 30, 32400, 1259712000, 1763193692160000, 88844650093530316800000, 161162887476414617908936704000000, 10524495800322448706290880214277816320000000, 24742299477723936603969643338598393206990805401600000000

Offset: 0

Author

Philippe Deléham, Dec 11 2007

Keywords

• nonn

Comments

Hankel transform of A132865.

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..25

Programs

Magma

[5^n*6^(n^2): n in [0..10]]; // Vincenzo Librandi, May 30 2011

Mathematica

Table[5^n 6^(n^2),{n,0,10}] (* Harvey P. Dale, Sep 09 2012 *)

Formula

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