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 A124070 #5 Oct 06 2016 12:32:28 %S A124070 9,324,69039,30573900,24571261710,32346221908896,64986793207684866, %T A124070 189028409383462290696,764111162168487304691175, %U A124070 4154377697330090433618612780,29576798800687086868033152117849 %N A124070 Number of permutations of n distinct letters (ABCD...) each of which appears thrice with 4 fixed points. %e A124070 1 %e A124070 0, 0, 0, 1 %e A124070 1, 0, 9, 0, "9", 0, 1 %e A124070 56, 216, 378, 435, "324", 189, 54", 27, 0, 1 %e A124070 13833, 49464, 84510, 90944, "69039", 38448, 16476, 5184, 1431, 216, 54, 0, 1 %e A124070 6699824, 23123880, 38358540, 40563765, "30573900", 17399178, 7723640, 2729295, 776520, 180100, 33372, 5355, 540, 90, 0, 1 %e A124070 etc... %Y A124070 Cf. A059058, A027468, A059073, A000459, A124007, A124008, A124009, A124042, A124043. %K A124070 nonn %O A124070 0,1 %A A124070 _Zerinvary Lajos_, Nov 05 2006