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 A055994 #24 Sep 08 2022 08:45:01
%S A055994 1,16,115,550,2035,6292,17017,41470,92950,194480,384098,722228,
%T A055994 1301690,2261000,3801710,6210644,9887999,15382400,23434125,35027850,
%U A055994 51456405,74397180,106002975,149009250,206859900,283853856,385314996,517788040
%N A055994 Expansion of (1+6x)/(1-x)^10.
%C A055994 Partial sums of A034266. - _Vladimir Joseph Stephan Orlovsky_, Jun 25 2009
%D A055994 A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.
%H A055994 Vincenzo Librandi, <a href="/A055994/b055994.txt">Table of n, a(n) for n = 0..1000</a>
%H A055994 <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 A055994 a(n) = (7n+9)*C(n+8, 8)/9.
%F A055994 G.f.: (1+6x)/(1-x)^10.
%t A055994 CoefficientList[Series[(1 + 6 x)/(1 - x)^10, {x, 0, 50}], x] (* _Vincenzo Librandi_, Jul 30 2014 *)
%t A055994 LinearRecurrence[{10,-45,120,-210,252,-210,120,-45,10,-1},{1,16,115,550,2035,6292,17017,41470,92950,194480},30] (* _Harvey P. Dale_, Sep 07 2022 *)
%o A055994 (Magma) [((7*n+9)*Binomial(n+8,8))/9: n in [0..40]]; // _Vincenzo Librandi_, Jul 30 2014
%Y A055994 Cf. A034266.
%Y A055994 Cf. A093564 ((7, 1) Pascal, column m=9). Partial sums of A034266.
%K A055994 easy,nonn
%O A055994 0,2
%A A055994 _Barry E. Williams_, Jun 04 2000