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 A139159 #23 Aug 10 2025 10:33:18 %S A139159 3,7,121,5041,39916801,6227020801,355687428096001,121645100408832001, %T A139159 25852016738884976640001,8841761993739701954543616000001, %U A139159 8222838654177922817725562880000001,13763753091226345046315979581580902400000001,33452526613163807108170062053440751665152000000001 %N A139159 a(n) = prime(n)! + 1. %F A139159 a(n) = A039716(n) + 1. - _Michel Marcus_, Nov 08 2013 %t A139159 Prime[Range[12]]!+1 (* _Vladimir Joseph Stephan Orlovsky_, Apr 29 2008 *) %o A139159 (PARI) a(n)=prime(n)!+1 \\ _Charles R Greathouse IV_, Apr 29 2015 %Y A139159 Cf. A039716. %Y A139159 Cf. A093804, A103319. %Y A139159 Cf. A139160, A139161, A139162, A139163, A139164, A139165, A139166, A139089, A139168. %K A139159 nonn,easy %O A139159 1,1 %A A139159 _Artur Jasinski_, Apr 11 2008 %E A139159 More terms from _Michel Marcus_, Aug 10 2025