cp's OEIS Frontend

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.

A379449 Numbers k such that the prime gap between the consecutive primes p1 < k! = factorial(k) < p2 sets a new record.

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%I A379449 #14 Jan 07 2025 08:40:22
%S A379449 3,4,5,8,13,19,24,29,34,45,47,51,56,61,71,107,127,140,184,192,198,274,
%T A379449 284,375,384,559,592,630,689,774,792,834,1133,1213,1241,1315,1947
%N A379449 Numbers k such that the prime gap between the consecutive primes p1 < k! = factorial(k) < p2 sets a new record.
%e A379449 a(1) = 3, because the prime gap between the consecutive primes 5 < 3! < 7 sets the first record of 2.
%e A379449  n gap            p1            <  x! <             p2
%e A379449  1   2                        5 <  3! <                        7;
%e A379449  2   6                       23 <  4! <                       29;
%e A379449  3  14                      113 <  5! <                      127;
%e A379449  4  54                    40289 <  8! <                    40343;
%e A379449  5  90               6227020777 < 13! <               6227020867;
%e A379449  6 190       121645100408831899 < 19! <       121645100408832089;
%e A379449  7 204 620448401733239439359927 < 24! < 620448401733239439360131;
%Y A379449 Cf. A054588, A350100, A378429.
%K A379449 nonn,more
%O A379449 1,1
%A A379449 _Jean-Marc Rebert_, Dec 23 2024
%E A379449 a(37) from _Jinyuan Wang_, Dec 23 2024