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 A245543 #5 Feb 13 2015 12:56:49 %S A245543 7,0,16,-16,56,-40,88,-104,56,0,128,-168,168,-80,304,-408,56,0,128, %T A245543 -128,448,-320,704,-872,168,0,384,-464,784,-480,1312,-1720,56,0,128, %U A245543 -128,448,-320,704,-832,448,0,1024,-1344,1344,-640,2432,-3304,168,0,384,-384,1344,-960,2112,-2576,784,0 %N A245543 First differences of A160239. %C A245543 The increase in number of ON cells in A160239 in going from one step to the next. %C A245543 a(n) = A160239(n+1) - A160239(n). %H A245543 Reinhard Zumkeller, <a href="/A245543/b245543.txt">Table of n, a(n) for n = 0..10000</a> %o A245543 (Haskell) %o A245543 a245542 n = a245542_list !! n %o A245543 a245542_list = scanl1 (+) a160239_list %o A245543 -- _Reinhard Zumkeller_, Feb 13 2015 %Y A245543 Cf. A160239, A245180, A245542. %K A245543 sign %O A245543 0,1 %A A245543 _N. J. A. Sloane_, Jul 26 2014