A135314 a(n) = 7^n*6^(n^2).

1, 42, 63504, 3456649728, 6773484887801856, 477827850919028491026432, 1213481763117613016471583634489344, 110942398014527364799038852663129544775958528

Offset: 0

Author

Philippe Deléham, Dec 05 2007

Keywords

• nonn

Comments

Hankel transform of A130978.

Links

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

Programs

Magma

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

Mathematica

Table[7^n 6^(n^2),{n,0,10}] (* Harvey P. Dale, Sep 06 2015 *)

Formula

a(n) = 7^n*6^(n^2) = A000420(n)*A076781(n).