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 A353083 #12 May 07 2022 10:27:49 %S A353083 2,6,9,15,19,22,26,30,33,39,43,46,50,53,59,63,66,70,74,77,83,87,90,96, %T A353083 100,103,107,111,114,120,124,127,131,134,140,144,147,151,155,158,164, %U A353083 168,171,175,179,182,188,192,195,199,202,208,212,215,219,223,226 %N A353083 The second column of the Trithoff (tribonacci) array. %C A353083 These are the numbers whose tribonacci representation ends in 10. %C A353083 This is a subsequence of A003145: Numbers in this sequence indicate positions of letter b in the tribonacci word, but not all such positions. %e A353083 The first few tribonacci numbers are 1, 2, 4, 7, 13, 24. The number 43 can be represented as 24+13+4+2. Thus, its tribonacci representation is 110110, and 43 is in this sequence. %Y A353083 Cf. A000073, A003145, A003265, A136175, A353084, A353086, A353090. %K A353083 nonn %O A353083 1,1 %A A353083 _Tanya Khovanova_ and PRIMES STEP Senior group, Apr 22 2022