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 A322095 #23 Nov 29 2018 06:26:01
%S A322095 1,0,2,339720,549023310936,4383995385521886720,
%T A322095 131828993822765959468851600,12202002913678756821228939869239920,
%U A322095 2988325485815656468293009880545684170044800,1723427149081248135793318785599849462668815779427840
%N A322095 Number of permutations of 7 copies of 1..n with no element equal to another within a distance of 1.
%H A322095 Seiichi Manyama, <a href="/A322095/b322095.txt">Table of n, a(n) for n = 0..80</a>
%F A322095 a(n) = n! * A190836(n).
%F A322095 a(n) = Integral_{0..infinity} (Sum_{k=1..7} (-1)^(7-k) * binomial(6, 7-k) * x^k/k!)^n * exp(-x) dx.
%Y A322095 Row 7 of A322093.
%Y A322095 Cf. A190836, A322127, A322128.
%K A322095 nonn
%O A322095 0,3
%A A322095 _Seiichi Manyama_, Nov 28 2018