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 A319428 #3 Sep 27 2018 11:28:29 %S A319428 2,11,46,103,31461,31564,283973,599510,883483,4133442,25684135, %T A319428 363711332,1116818131,1480529463,20363701150,103299035213, %U A319428 123662736363,968938189754,22409241100705,23378179290459,396460109748049 %N A319428 Numerators of convergents to continued fraction expansion of tribonacci constant (A058265, A019712). %e A319428 2/1, 11/6, 46/25, 103/56, 31461/17105, 31564/17161, 283973/154393, 599510/325947, 883483/480340, ... %Y A319428 Cf. A019712, A058265, A319429. %K A319428 nonn,cofr %O A319428 1,1 %A A319428 _N. J. A. Sloane_, Sep 27 2018