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%I #12 Sep 08 2022 08:45:32
%S 1,42,63504,3456649728,6773484887801856,477827850919028491026432,
%T 1213481763117613016471583634489344,
%U 110942398014527364799038852663129544775958528
%N a(n) = 7^n*6^(n^2).
%C Hankel transform of A130978.
%H Vincenzo Librandi, <a href="/A135314/b135314.txt">Table of n, a(n) for n = 0..25</a>
%F a(n) = 7^n*6^(n^2) = A000420(n)*A076781(n).
%t Table[7^n 6^(n^2),{n,0,10}] (* _Harvey P. Dale_, Sep 06 2015 *)
%o (Magma)[7^n*6^(n^2): n in [0..10]]; // _Vincenzo Librandi_, May 30 2011
%K nonn
%O 0,2
%A _Philippe Deléham_, Dec 05 2007
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