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 A267348 #16 Mar 29 2019 03:03:07
%S A267348 0,1,2,6,54,3510,14380470,241264265751990,
%T A267348 67909853583655146508751957430,
%U A267348 5380372916045726369002105219892285499516304666683458153910,33773148168338125039096320085837383261496919374684668572527108632210618661283323381212228218472784834977109705977270
%N A267348 Decimal equivalents of terms of A266926 interpreted as binary numbers.
%C A267348 For n>1, a(n+1)/a(n) is an integer. Therefore, after 2, a(n) is divisible by 6.
%C A267348 The term a(12) has 925 decimal digits; a(13) has 1850 decimal digits. - _Michael De Vlieger_, Jan 13 2016
%t A267348 a = {0, 1}; Do[AppendTo[a, FromDigits@ Flatten@ Map[IntegerDigits@ # &, If[n < 2, Reverse@ a, a]]], {n, 9}]; FromDigits[IntegerDigits@ #, 2] & /@ a (* _Michael De Vlieger_, Jan 13 2016 *)
%Y A267348 Cf. A266926.
%K A267348 nonn,easy
%O A267348 1,3
%A A267348 _Giovanni Teofilatto_, Jan 13 2016
%E A267348 More terms from _Michael De Vlieger_, Jan 13 2016