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 A296179 #24 Dec 18 2017 04:31:46 %S A296179 15,37,56,76,95,115,136,154,175,194,214,234,254,273,293,313,332,352, %T A296179 372,392,411,432,450,471,490,511,529,550,569,590,608,629,648,668,688, %U A296179 708,727,747,767 %N A296179 Number of points of the inner discrete Theodorus spiral on sheet S_n, n >= 1. First differences of A295339. %C A296179 In the complex plane the punctured sheets S_n are given by rho*exp(i*phi_n), with rho > 0 and 2*Pi*(n-1) <= phi_n < 2*Pi*n, for n >= 1. %C A296179 For the inner discrete Theodorus spiral see the Waldvogel link. %C A296179 The conjecture stated in A295339 implies that a(n) = A295338(n), for n >= 2. %H A296179 Joerg Waldvogel, <a href="http://www.sam.math.ethz.ch/~joergw/Papers/theopaper.pdf">Analytic Continuation of the Theodorus Spiral</a>. %F A296179 a(n) = b(n) - b(n-1), for n >= 1, with b(n) = A295339(n), and b(0) = 0. %F A296179 Conjecture: a(n) = A295338(n), for n >= 2 (see a comment above). %Y A296179 Cf. A295339, A295338 (outer spiral), A172164. %K A296179 nonn %O A296179 1,1 %A A296179 _Wolfdieter Lang_, Dec 13 2017