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 A337662 #15 Jul 09 2025 04:54:00 %S A337662 1,2,2,5,4,5,7,10,10,7,15,14,25,14,15,22,30,35,35,30,22,31,44,75,49, %T A337662 75,44,31,50,62,110,105,105,110,62,50,68,100,155,154,225,154,155,100, %U A337662 68,90,136,250,217,330,330,217,250,136,90,101,180,340,350,465,484,465,350,340,180 %N A337662 Multiplication table from A337655, read by antidiagonals. %H A337662 Peter Kagey, <a href="/A337662/b337662.txt">Table of n, a(n) for n = 1..10011</a> (first 141 antidiagonals, flattened) %e A337662 The multiplication table from A337655 begins: %e A337662 1, 2, 5, 7, 15, 22, 31, 50, 68, 90, ... %e A337662 2, 4, 10, 14, 30, 44, 62, 100, 136, 180, ... %e A337662 5, 10, 25, 35, 75, 110, 155, 250, 340, 450, ... %e A337662 7, 14, 35, 49, 105, 154, 217, 350, 476, 630, ... %e A337662 15, 30, 75, 105, 225, 330, 465, 750, 1020, 1350, ... %e A337662 22, 44, 110, 154, 330, 484, 682, 1100, 1496, 1980, ... %e A337662 31, 62, 155, 217, 465, 682, 961, 1550, 2108, 2790, ... %e A337662 50, 100, 250, 350, 750, 1100, 1550, 2500, 3400, 4500, ... %e A337662 68, 136, 340, 476, 1020, 1496, 2108, 3400, 4624, 6120, ... %e A337662 90, 180, 450, 630, 1350, 1980, 2790, 4500, 6120, 8100, ... %e A337662 ... %Y A337662 Cf. A337655, A337659, A337661, A337662. %K A337662 nonn,tabl %O A337662 1,2 %A A337662 _N. J. A. Sloane_, Oct 04 2020