This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A018132 #18 Jun 14 2025 12:41:01
%S A018132 1,1,2,3,4,7,10,15,22,33,49,72,106,157,232,343,506,747,1102,1626,2401,
%T A018132 3543,5229,7717,11388,16807,24803,36604,54019,79720,117649,173623,
%U A018132 256228,378135,558041,823543,1215362,1793599,2646946,3906292,5764801,8507538,12555197,18528622,27344044,40353607,59552770
%N A018132 Powers of fifth root of 7 rounded down.
%H A018132 Vincenzo Librandi, <a href="/A018132/b018132.txt">Table of n, a(n) for n = 0..2000</a>
%t A018132 Floor[Surd[7,5]^Range[0,40]] (* _Harvey P. Dale_, Apr 06 2018 *)
%t A018132 Table[Floor[(7^(1/5))^n], {n, 0, 50}] (* _Vincenzo Librandi_, Jun 13 2025 *)
%o A018132 (Magma) [Floor(7^(n/5)) : n in [0..60]]; // _Vincenzo Librandi_, Jun 13 2025
%Y A018132 Cf. A011092.
%K A018132 nonn
%O A018132 0,3
%A A018132 _N. J. A. Sloane_