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 A283594 #11 Apr 03 2023 10:36:13 %S A283594 0,1,3,5,9,11,15,21,27,29,39,99,159,213,249,351,443,489,513,563,705, %T A283594 1059,1599,1733,2361,3699,4263,4451,4479,5141,5751,7355,7461,8525, %U A283594 8861,18231,19629,23571,41789,76973,86997,93735,98943 %N A283594 Numbers k such that k![12]+2 is prime, where k![12] is the twelve-fold multifactorial. %C A283594 a(44) > 10^5. %C A283594 The first 12 primes associated with this sequence: 3, 3, 5, 7, 11, 13, 47, 191, 1217, 2467, 47387. %H A283594 C. Caldwell and H. Dubner (Eds): <a href="https://t5k.org/lists/top_ten/">The top ten prime numbers: from the unpublished collections of R. Ondrejka</a> (May 2001), Table 21 F, p. 75 %H A283594 Ken Davis, <a href="http://mfprimes.free-dc.org">Status of Search for Multifactorial Primes</a>. %t A283594 MultiFactorial[n_, k_] := If[n < 1, 1, n*MultiFactorial[n - k, k]]; %t A283594 Select[Range[0, 50000], PrimeQ[MultiFactorial[#, 12] + 2] &] %Y A283594 Cf. A076185, A085158, A094144, A204657. %K A283594 nonn %O A283594 1,3 %A A283594 _Robert Price_, Mar 11 2017 %E A283594 a(40)-a(43) from _Robert Price_, Mar 24 2017