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 A338016 #12 Oct 09 2020 03:35:40 %S A338016 0,0,9,0,12,16,0,30,40,100,0,54,72,180,324,0,69,92,230,414,529,0,102, %T A338016 136,340,612,782,1156,0,165,220,550,990,1265,1870,3025,0,201,268,670, %U A338016 1206,1541,2278,3685,4489,0,279,372,930,1674,2139,3162,5115,6231,8649 %N A338016 Triangular array read by rows: T(n,k) = A338012(n) * A338012(k) for 1 <= k <= n. %H A338016 Peter Kagey, <a href="/A338016/b338016.txt">Table of n, a(n) for n = 1..10011</a> (first 141 rows, flattened) %e A338016 Multiplication table begins: %e A338016 * | 0 3 4 10 18 23 34 55 67 %e A338016 -----+--------------------------------------- %e A338016 0 | 0 %e A338016 3 | 0 9 %e A338016 4 | 0 12 16 %e A338016 10 | 0 30 40 100 %e A338016 18 | 0 54 72 180 324 %e A338016 23 | 0 69 92 230 414 529 %e A338016 34 | 0 102 136 340 612 782 1156 %e A338016 55 | 0 165 220 550 990 1265 1870 3025 %e A338016 67 | 0 201 268 670 1206 1541 2278 3685 4489 %Y A338016 Cf. A338012, A338014 (addition), A338017 (by antidiagonals). %Y A338016 Cf. A337661, A337974. %K A338016 nonn,tabl %O A338016 1,3 %A A338016 _Peter Kagey_, Oct 06 2020