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 A308200 #10 Jul 20 2022 08:52:42 %S A308200 0,7,13,20,24,31,37,44,51,57,64,68,75,81,88,94,101,105,112,118,125, %T A308200 132,138,145,149,156,162,169,173,180,186,193,200,206,213,217,224,230, %U A308200 237,243,250,254,261,267,274,281,287,294,298,305,311,318,325,331,338,342,349,355,362,368,375,379,386 %N A308200 The tribonacci representation of a(n) is obtained by appending 0,0,0 to the tribonacci representation of n (cf. A278038). %Y A308200 Cf. A278038, A278039, A278040, A278041, A308199. %Y A308200 Essentially partial sums of A276792. %K A308200 nonn,base %O A308200 0,2 %A A308200 _N. J. A. Sloane_, Jun 23 2019