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 A064492 #18 Jul 13 2023 19:55:12 %S A064492 1,2,4,7,12,22,40,77,135,249,454,845,1521,2753,5046,9318,17224,31222, %T A064492 57072,99742,181694,328256,589933,1034839,1788538,3225919,5784586, %U A064492 10212211,18399785,32148795,58056876,101769230,173395920,302890749,511561221,904036925,1610187039,2789150424,4910758398,8416580355,13808215356,23006557539,39488697701,65854567303,107078836274,188471115227,325374626149,535755688022,872467803894,1404720439054,2402964238974,3883018238330,6283167591180,10125357598983,16166305650061,25735985498862,40806937801473,64628644387495,102481019573338,159888464280047,250759470174414,394178473635589,599819882554936,939455761022725 %N A064492 Start of n-th segment of Recamán's sequence R(m) (A005132): values of n where the change in the fractional parts of successive values of R(n)/n is positive. %H A064492 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a> %Y A064492 Cf. A005132, A064288, A064289, A064292, A064293. This sequence and A064294 keep pretty close together. %Y A064492 See A065038 for the corresponding values of R(n). See also A065053 for first differences. %K A064492 nonn %O A064492 1,2 %A A064492 _John W. Layman_, Oct 04 2001 %E A064492 More terms from _John W. Layman_ and _N. J. A. Sloane_, Oct 12 2001 %E A064492 Extended to 10^15 by _Allan Wilks_, Nov 06 2001