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 A004397 #14 Apr 21 2023 23:42:47
%S A004397 3,4,7,10,16,21,30,40,57,84,120,181,274,420,657,1040,1656,2645,4248,
%T A004397 6836,11019,17790,28740,46457,75122,121494,196521,317918,514338,
%U A004397 832153,1346396,2178440,3524715,5703026,9227614,14930503,24157974,39088332,63246153
%N A004397 a(n) = prime(n) + Fibonacci(n).
%D A004397 GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See page 79.
%p A004397 with(combinat): f := n -> fibonacci(n) + ithprime(n);
%t A004397 Table[Fibonacci[n] + Prime[n], {n, 35}]
%o A004397 (Magma) [NthPrime(n)+Fibonacci(n): n in [1..50]]; // _Vincenzo Librandi_, Jul 29 2016
%Y A004397 Cf. A100700.
%K A004397 nonn
%O A004397 1,1
%A A004397 Hegermann, Frank (hegermann(AT)oi.dbv.commerzbank.dbp.de)