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 A305462 #4 Jun 03 2018 07:58:54 %S A305462 0,1,2,3,4,5,6,7,8,9,12,13,14,15,18,19,20,21,24,25,26,27,30,31,32,33, %T A305462 36,37,38,39,60,61,62,63,66,67,68,69,90,91,92,93,96,97,98,99,120,121, %U A305462 122,123,126,127,128,129,150,151,152,153,156,157,158,159,180 %N A305462 Fixed points of A305458. %C A305462 Equivalently, these are the numbers with all digits, except possibly the leading digit, equal to zero or one in primorial base. %H A305462 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a> %e A305462 The first terms, alongside their primorial base representation, are: %e A305462 n a(n) pbr(a(n)) %e A305462 -- ---- --------- %e A305462 1 0 (0) %e A305462 2 1 (1) %e A305462 3 2 (1, 0) %e A305462 4 3 (1, 1) %e A305462 5 4 (2, 0) %e A305462 6 5 (2, 1) %e A305462 7 6 (1, 0, 0) %e A305462 8 7 (1, 0, 1) %e A305462 9 8 (1, 1, 0) %e A305462 10 9 (1, 1, 1) %e A305462 11 12 (2, 0, 0) %e A305462 12 13 (2, 0, 1) %e A305462 13 14 (2, 1, 0) %e A305462 14 15 (2, 1, 1) %e A305462 15 18 (3, 0, 0) %Y A305462 Cf. A305458. %K A305462 nonn,base %O A305462 1,3 %A A305462 _Rémy Sigrist_, Jun 01 2018