A135426 - OEIS

%I #12 Sep 08 2022 08:45:32

%S 1,56,200704,46036680704,675821419082285056,

%T 634950507820721016852709376,38179283319360245979311522664775942144,

%U 146924980824268039790798000267293196637757037871104

%N a(n) = 7^n * 8^(n^2).

%C Hankel transform of A132867.

%H Vincenzo Librandi, <a href="/A135426/b135426.txt">Table of n, a(n) for n = 0..30</a>

%F a(n) = 7^n*8^(n^2) = A000420(n)*A060760(n).

%t Table[7^n * 8^(n^2), {n,0,15}] (* _G. C. Greubel_, Oct 14 2016 *)

%o (Magma) [7^n*8^(n^2): n in [0..10]]; // _Vincenzo Librandi_, May 26 2011

%Y Cf. A000420, A060760, A132867.

%K nonn

%O 0,2

%A _Philippe Deléham_, Dec 12 2007