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 A057075 #17 Aug 12 2023 11:09:57 %S A057075 1,0,4,0,2,27,0,1,13,256,0,1,9,128,3125,0,0,6,85,1562,46656,0,0,5,64, %T A057075 1041,23328,823543,0,0,4,51,781,15552,411771,16777216,0,0,3,42,625, %U A057075 11664,274514,8388608,387420489,0,0,3,36,520,9331,205885,5592405,193710244,10000000000 %N A057075 Table read by antidiagonals of T(n,k)=floor(n^n/k) with n,k >= 1. %H A057075 Seiichi Manyama, <a href="/A057075/b057075.txt">Antidiagonals n = 1..140, flattened</a> %e A057075 From _Seiichi Manyama_, Aug 12 2023: (Start) %e A057075 Square array begins: %e A057075 1, 0, 0, 0, 0, 0, ... %e A057075 4, 2, 1, 1, 0, 0, ... %e A057075 27, 13, 9, 6, 5, 4, ... %e A057075 256, 128, 85, 64, 51, 42, ... %e A057075 3125, 1562, 1041, 781, 625, 520, ... %e A057075 46656, 23328, 15552, 11664, 9331, 7776, ... (End) %o A057075 (PARI) T(n, k) = n^n\k; \\ _Seiichi Manyama_, Aug 12 2023 %Y A057075 Rows are: A000007 (essentially), A033324, A033347, A057066-A057074. %Y A057075 Columns include A000312 and A057065. %Y A057075 Leading diagonal is A000169. %Y A057075 Cf. A060155. %K A057075 nonn,tabl %O A057075 1,3 %A A057075 _Henry Bottomley_, Jul 31 2000