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 A104534 #15 Feb 16 2025 08:32:56 %S A104534 3,7,11,12,36,56,401,2707,8417,14096,31561,50696,53192,155182 %N A104534 Indices of prime tetranacci numbers. %H A104534 Tony D. Noe and Jonathan Vos Post, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL8/Noe/noe5.html">Primes in Fibonacci n-step and Lucas n-step Sequences,</a> J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4 %H A104534 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TetranacciNumber.html">Tetranacci Number</a> %H A104534 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IntegerSequencePrimes.html">Integer Sequence Primes</a> %F A104534 A000078(a(n) + 2) = A104535(n). - _Andrew Howroyd_, Oct 08 2024 %Y A104534 Cf. A000078, A104535. %K A104534 nonn %O A104534 1,1 %A A104534 _Eric W. Weisstein_, Mar 13 2005 %E A104534 a(14)=155182 found by _Eric W. Weisstein_, Oct 28 2005