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 A319429 #4 Sep 27 2018 11:29:14 %S A319429 1,6,25,56,17105,17161,154393,325947,480340,2247307,13964182, %T A319429 197745855,607201747,804947602,11071520573,56162550467,67234071040, %U A319429 526801047747,12183658169221,12710459216968,215551005640709 %N A319429 Denominators of convergents to continued fraction expansion of tribonacci constant (A058265, A019712). %e A319429 2/1, 11/6, 46/25, 103/56, 31461/17105, 31564/17161, 283973/154393, 599510/325947, 883483/480340, ... %Y A319429 Cf. A019712, A058265, A319428. %K A319429 nonn,cofr %O A319429 1,2 %A A319429 _N. J. A. Sloane_, Sep 27 2018