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 A075390 #7 Nov 30 2015 16:04:04 %S A075390 1,3,6,14,17,37,30,72,84,109,78,194,121,257,262,343,183,453,233,553, %T A075390 556,682,351,889,725,951,908,1145,570,1447,653,1518,1397,1670,1591, %U A075390 2105,978,2187,2116,2737,1174,2908,1333,2962,2926,3071,1558,4020,2887,3997,3517 %N A075390 Average of n-th group in A075383. %H A075390 Reinhard Zumkeller, <a href="/A075390/b075390.txt">Table of n, a(n) for n = 1..1000</a> %F A075390 A075386(n)/n %o A075390 (Haskell) %o A075390 a075390 n = a075386 n `div` n -- _Reinhard Zumkeller_, Nov 29 2015 %Y A075390 Cf. A075383, A075384, A075385, A075386. %K A075390 nonn %O A075390 1,2 %A A075390 _Amarnath Murthy_, Sep 22 2002 %E A075390 More terms from _David Wasserman_, Jan 17 2005