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 A048722 #9 Mar 23 2021 04:52:33 %S A048722 0,1,3,7,29,233,7457,1908993,15638470657,32796250015268865, %T A048722 563435284988077103288156161, %U A048722 20299895516157546089301785397257605216206849,12565026726380593749379544715414757684521993402717913413208480665305089 %N A048722 Reversed binary packing of Fibonacci sequence A000045. %F A048722 a(0) = 0, a(n) = (a(n-1)*(2^(Fib(n-1)))) + 1 %Y A048722 Cf. A000045, A005203, A048721, A036571. %K A048722 nonn %O A048722 0,3 %A A048722 Antti Karttunen, Mar 30 1999