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%I #16 Jan 15 2023 16:19:01
%S 7,117649,1977326743,33232930569601,558545864083284007,
%T 9387480337647754305649,157775382034845806615042743,
%U 2651730845859653471779023381601,44567640326363195900190045974568007,749048330965186233494494102694564493649
%N a(n) = 7^(5*n + 1).
%H Vincenzo Librandi, <a href="/A013842/b013842.txt">Table of n, a(n) for n = 0..100</a>
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (16807).
%t NestList[16807#&,7,20] (* _Harvey P. Dale_, Jan 15 2023 *)
%o (Magma) [7^(5*n+1): n in [0..15]]; // _Vincenzo Librandi_, Jul 08 2011
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_
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