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 A074862 #11 Jan 09 2024 12:07:33
%S A074862 1,1,1,1,4,7,13,43,76,139,1063,4633,7963,11593,50173,83677,157951,
%T A074862 314005,774907,1447279,11097082,39016342,62877022,84245371,91872178,
%U A074862 150920986,815588944,1243396636
%N A074862 Iccanartet sequence: a(n)=R[a(n-1)]+R[a(n-2)]+R[a(n-3)]+R[a(n-4)] where a(1)=a(2)=a(3)=a(4)=1 and R(n) (A004086) is the reverse of n.
%H A074862 Harvey P. Dale, <a href="/A074862/b074862.txt">Table of n, a(n) for n = 1..1000</a>
%t A074862 Transpose[NestList[Join[Rest[#],{Total[FromDigits/@(Reverse/@ (IntegerDigits/@#))]}]&,{1,1,1,1},30]][[1]] (* _Harvey P. Dale_, May 02 2012 *)
%Y A074862 Cf. A000288.
%K A074862 easy,base,nonn
%O A074862 1,5
%A A074862 _Felice Russo_, Sep 11 2002
%E A074862 More terms from _David Garber_, Oct 23 2002