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 A340376 #12 Jan 16 2021 06:38:47 %S A340376 2,6,7,15,22,26,43,50,54,62,65,74,77,87,94,98,103,138,183,190,198,214, %T A340376 218,221,235,278,302,343,353,406,421,426,430,439,463,465,467,475,498, %U A340376 506,534,574,578,610,633,646,662,666,682,734,799,843,862,869,870,882,886,910,949,967,977,987,1013,1014,1087,1121 %N A340376 Numbers k such that there are no 1-digits in the ternary expansion of A048673(k). %H A340376 Antti Karttunen, <a href="/A340376/b340376.txt">Table of n, a(n) for n = 1..20000</a> %H A340376 <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a> %o A340376 (PARI) isA340376(n) = (0==A304759(n)); %Y A340376 Positions of zeros in A304759 and in A340378. Positions of 2's in A340381. %Y A340376 Cf. A048673, A340377. %K A340376 nonn %O A340376 1,1 %A A340376 _Antti Karttunen_, Jan 15 2021