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 A343044 #11 Apr 08 2021 00:33:55 %S A343044 0,1,1,2,1,2,3,3,3,3,4,3,2,3,4,5,5,3,3,5,5,6,5,4,3,4,5,6,7,7,5,5,5,5, %T A343044 7,7,8,7,8,5,4,5,8,7,8,9,9,9,9,5,5,9,9,9,9,10,9,8,9,10,5,10,9,8,9,10, %U A343044 11,11,9,9,11,11,11,11,9,9,11,11,12,11,10,9,10,11,6,11,10,9,10,11,12 %N A343044 Array T(n, k), n, k >= 0, read by antidiagonals; lunar addition table for the primorial base. %C A343044 The i-th digit of T(n, k) in primorial base is the largest of the i-th digits of n and of k in primorial base. %C A343044 For n = 0..23, the factorial and primorial base representations of n are the same; hence the date sections for this sequence and for A343040 are the same. %H A343044 Rémy Sigrist, <a href="/A343044/b343044.txt">Table of n, a(n) for n = 0..10010</a> %H A343044 Rémy Sigrist, <a href="/A343044/a343044.png">Colored representation of the array for n, k < 2*3*5*7*11</a> (where the color is function of T(n, k)) %H A343044 Rémy Sigrist, <a href="/A343044/a343044.gp.txt">PARI program for A343044</a> %H A343044 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a> %H A343044 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a> %e A343044 Array T(n, k) begins: %e A343044 n\k| 0 1 2 3 4 5 6 7 8 9 10 11 12 %e A343044 ---+---------------------------------------------------- %e A343044 0| 0 1 2 3 4 5 6 7 8 9 10 11 12 %e A343044 1| 1 1 3 3 5 5 7 7 9 9 11 11 13 %e A343044 2| 2 3 2 3 4 5 8 9 8 9 10 11 14 %e A343044 3| 3 3 3 3 5 5 9 9 9 9 11 11 15 %e A343044 4| 4 5 4 5 4 5 10 11 10 11 10 11 16 %e A343044 5| 5 5 5 5 5 5 11 11 11 11 11 11 17 %e A343044 6| 6 7 8 9 10 11 6 7 8 9 10 11 12 %e A343044 7| 7 7 9 9 11 11 7 7 9 9 11 11 13 %e A343044 8| 8 9 8 9 10 11 8 9 8 9 10 11 14 %e A343044 9| 9 9 9 9 11 11 9 9 9 9 11 11 15 %e A343044 10| 10 11 10 11 10 11 10 11 10 11 10 11 16 %e A343044 11| 11 11 11 11 11 11 11 11 11 11 11 11 17 %e A343044 12| 12 13 14 15 16 17 12 13 14 15 16 17 12 %o A343044 (PARI) See Links section. %Y A343044 Cf. A087061, A235168, A343040, A343045. %K A343044 nonn,base,tabl %O A343044 0,4 %A A343044 _Rémy Sigrist_, Apr 05 2021