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 A256140 #21 Apr 10 2018 14:17:05 %S A256140 1,1,0,1,1,0,1,2,1,0,1,3,2,1,0,1,4,3,4,1,0,1,5,4,9,2,1,0,1,6,5,16,3,4, %T A256140 1,0,1,7,6,25,4,9,4,1,0,1,8,7,36,5,16,9,8,1,0,1,9,8,49,6,25,16,27,2,1, %U A256140 0,1,10,9,64,7,36,25,64,3,4,1,0,1,11,10,81,8,49,36,125,4,9,4,1,0,1,12,11,100,9,64,49,216,5,16,9,8,1,0 %N A256140 Square array read by antidiagonals upwards: T(n,k) = n^A000120(k), n>=0, k>=0. %C A256140 The partial sums of row n give the n-th row of the square array A256141. %C A256140 First differs from A244003 at a(25). %H A256140 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a> %e A256140 The corner of the square array with the first 16 terms of the first 12 rows looks like this: %e A256140 --------------------------------------------------------------------------- %e A256140 A000007: 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 %e A256140 A000012: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 %e A256140 A001316: 1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 8, 16 %e A256140 A048883: 1, 3, 3, 9, 3, 9, 9, 27, 3, 9, 9, 27, 9, 27, 27, 81 %e A256140 A102376: 1, 4, 4, 16, 4, 16, 16, 64, 4, 16, 16, 64, 16, 64, 64, 256 %e A256140 A256135: 1, 5, 5, 25, 5, 25, 25, 125, 5, 25, 25, 125, 25, 125, 125, 625 %e A256140 A256136: 1, 6, 6, 36, 6, 36, 36, 216, 6, 36, 36, 216, 36, 216, 216, 1296 %e A256140 .......: 1, 7, 7, 49, 7, 49, 49, 343, 7, 49, 49, 343, 49, 343, 343, 2401 %e A256140 .......: 1, 8, 8, 64, 8, 64, 64, 512, 8, 64, 64, 512, 64, 512, 512, 4096 %e A256140 .......: 1, 9, 9, 81, 9, 81, 81, 729, 9, 81, 81, 729, 81, 729, 729, 6561 %e A256140 .......: 1,10,10,100, 10,100,100,1000, 10,100,100,1000,100,1000,1000,10000 %e A256140 .......: 1,11,11,121, 11,121,121,1331, 11,121,121,1331,121,1331,1331,14641 %Y A256140 Cf. A000120, A244003, A255740, A255741, A256141. %Y A256140 First seven rows are A000007, A000012, A001316, A048883, A102376, A256135, A256136. %Y A256140 First 16 columns are A000012, A001477, A001477, A000290, A001477, A000290, A000290, A000578, A001477, A000290, A000290, A000578, A000290, A000578, A000578, A000583. %Y A256140 Main diagonal gives A302451. %K A256140 nonn,tabl %O A256140 0,8 %A A256140 _Omar E. Pol_, Mar 16 2015