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 A016796 #18 Jul 08 2025 05:54:21 %S A016796 256,390625,16777216,214358881,1475789056,6975757441,25600000000, %T A016796 78310985281,208827064576,500246412961,1099511627776,2251875390625, %U A016796 4347792138496,7984925229121,14048223625216,23811286661761,39062500000000,62259690411361,96717311574016,146830437604321 %N A016796 a(n) = (3*n + 2)^8. %H A016796 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (9,-36,84,-126,126,-84,36,-9,1). %F A016796 From _Amiram Eldar_, Mar 31 2022: (Start) %F A016796 a(n) = A016789(n)^6 = A016790(n)^3 = A016791(n)^2. %F A016796 Sum_{n>=0} 1/a(n) = PolyGamma(7, 2/3)/33067440. (End) %t A016796 (3 Range[0, 20] + 2)^8 (* _Harvey P. Dale_, Jan 24 2011 *) %Y A016796 Cf. A016789, A016790, A016791, A016792, A016793, A016794, A016795. %Y A016796 Subsequence of A001016. %K A016796 nonn,easy %O A016796 0,1 %A A016796 _N. J. A. Sloane_