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 A017445 #11 Sep 08 2022 08:44:42 %S A017445 262144,38443359375,5429503678976,129961739795077,1352605460594688, %T A017445 8662995818654939,40353607000000000,150094635296999121, %U A017445 472161363286556672,1304773183829244583,3251948521156637184 %N A017445 a(n) = (11*n + 4)^9. %H A017445 G. C. Greubel, <a href="/A017445/b017445.txt">Table of n, a(n) for n = 0..1000</a> %H A017445 <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (10,-45,120,-210,252,-210,120,-45,10,-1). %F A017445 From _G. C. Greubel_, Sep 18 2019: (Start) %F A017445 G.f.: (262144 +38440737935*x +5045081881706*x^2 +77396622719912*x^3 +292702580123078*x^4 +341752101417866*x^5 +125993865875030*x^6 +12525368984504*x^7 +197955754298*x^8 +40353607*x^9)/(1-x)^10. %F A017445 E.g.f.: (262144 +38443097231*x +2676308611185*x^2 +18964759762355*x^3 +36049239596370*x^4 +26212359111477*x^5 +8537070967194*x^6 +1316670195786*x^7 +92603036592*x^8 +2357947691*x^9)*exp(x). (End) %p A017445 seq((11*n+4)^9, n=0..20); # _G. C. Greubel_, Sep 18 2019 %t A017445 (11*Range[20] -7)^9 (* _G. C. Greubel_, Sep 18 2019 *) %o A017445 (PARI) vector(20, n, (11*n-7)^9) \\ _G. C. Greubel_, Sep 18 2019 %o A017445 (Magma) [(11*n+4)^9: n in [0..20]]; // _G. C. Greubel_, Sep 18 2019 %o A017445 (Sage) [(11*n+4)^9 for n in (0..20)] # _G. C. Greubel_, Sep 18 2019 %o A017445 (GAP) List([0..20], n-> (11*n+4)^9); # _G. C. Greubel_, Sep 18 2019 %Y A017445 Powers of the form (11*n+4)^m: A017437 (m=1), A017438 (m=2), A017439 (m=3), A017440 (m=4), A017441 (m=5), A017442 (m=6), A017443 (m=7), A017444 (m=8), this sequence (m=9), A017446 (m=10), A017447 (m=11), A017448 (m=12). %K A017445 nonn,easy %O A017445 0,1 %A A017445 _N. J. A. Sloane_