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 A384594 #7 Jul 14 2025 23:46:23 %S A384594 1,1,5,54,1689,126379,24431584,11866142075,14794067672433, %T A384594 47379803431959808,392931276153375379253,8465684295123427342668831, %U A384594 475511457476096446534113500160,69772090836124641206618567332180231,26784700757594331263875776507073783052317 %N A384594 a(n) = permanent of the n X n circulant matrix with (row 1) = (F(2), F(3), ..., F(n+1)), where F = A000045 (Fibonacci numbers). %t A384594 z = 14; %t A384594 v[n_] := Table[Fibonacci[k], {k, 2, n + 1}]; %t A384594 u[n_] := Table[RotateRight[#, k - 1], {k, 1, Length[#]}] &[v[n]]; %t A384594 Table[Permanent[u[n]], {n, 1, z}] %Y A384594 Cf. A000045, A384079, A384595, A384596. %K A384594 nonn %O A384594 0,3 %A A384594 _Clark Kimberling_, Jul 10 2025