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 A328697 #13 Jul 10 2020 03:51:36 %S A328697 1,7,6,48,41,2,329,281,14,3,2255,1926,96,5,4,15456,13201,658,8,28,20, %T A328697 105937,90481,4510,13,192,137,15,726103,620166,30912,21,1316,939,103, %U A328697 27,4976784,4250681,211874,34,9020,6436,706,185,12,34111385,29134601,1452206 %N A328697 Rectangular array R read by descending antidiagonals: divide the multiples of 3 in the Wythoff array (A035513) by 3, and delete all others. %C A328697 Every positive integer occurs in R exactly once, and every row of R is a linear recurrence sequence. %C A328697 Row 1 of R is essentially A004187. %C A328697 Row 2 of R is essentially A049685. %C A328697 Row 4 of R is essentially A000045. %e A328697 Row 1 of the Wythoff array is (1,2,3,5,8,13,21,34,55,89,144,...), so that row 1 of R is (1,7,48,329,2255,...). %e A328697 ===================== %e A328697 Northwest corner of R: %e A328697 1, 7, 48, 329, 2255, 15456, 105937, 726103 %e A328697 6, 41, 281, 1926, 13201, 90481, 620166, 4250681 %e A328697 2, 14, 96, 658, 4510, 30912, 211874, 1452206 %e A328697 3, 5, 8, 13, 21, 34, 55, 89 %e A328697 4, 28, 192, 1316, 9020, 61824, 423748, 2904412 %e A328697 20, 137, 939, 6436, 44113, 302355, 2072372, 14204249 %e A328697 15, 103, 706, 4839, 33167, 227330, 1558143, 10679671 %Y A328697 Cf. A035513, A004187, A049685, A000045, A328695, A328696. %K A328697 nonn,tabl %O A328697 1,2 %A A328697 _Clark Kimberling_, Oct 29 2019