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 A256482 #7 Apr 30 2015 21:43:43 %S A256482 2,6,14,24,44,60,84,122,142,176,216,252,274,308,360,412,454,498,546, %T A256482 594,648,672,736,810,868,908,930,994,1040,1130,1188,1254,1310,1398, %U A256482 1444,1484,1500,1614,1748,1780,1866,1890,1944,2012,2040,2096,2154,2240,2328,2436,2488,2544,2676,2740,2800,2948,2976,3034,3090,3210 %N A256482 a(n) = A254100(n) - A003309(n+1). %H A256482 Antti Karttunen, <a href="/A256482/b256482.txt">Table of n, a(n) for n = 1..4096</a> %F A256482 a(n) = A254100(n) - A003309(n+1). %F A256482 a(n) = 2*A256483(n). %o A256482 (Scheme) (define (A256482 n) (- (A254100 n) (A003309 (+ 1 n)))) %Y A256482 Column 1 of A257257. %Y A256482 Cf. A003309, A254100. %Y A256482 Cf. also A256483 (same terms divided by 2). %K A256482 nonn %O A256482 1,1 %A A256482 _Antti Karttunen_, Apr 30 2015