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 A381166 #10 Feb 16 2025 05:40:23
%S A381166 1,1,46,23216,70437736,911400637082,39931366088759328,
%T A381166 5015203546888139970264,1592320463242701429692077472,
%U A381166 1158339311156769223634640734447744,1783702957209729441902140461938160455424,5447268928199100257603373050876725987854119216,31237114830378466799129128930824084710690680271414364
%N A381166 a(n) is the permanent of the n X n matrix whose element (i,j) is equal to A008277(i+4, j) with 1 <= i,j <= n.
%e A381166 a(3) = 23216:
%e A381166 [1, 15, 25]
%e A381166 [1, 31, 90]
%e A381166 [1, 63, 301]
%t A381166 a[n_]:=Permanent[Table[StirlingS2[i+4, j], {i, n}, {j, n}]]; Join[{1}, Array[a, 12]]
%o A381166 (PARI) a(n) = matpermanent(matrix(n, n, i, j, stirling(i+4,j,2))); \\ _Michel Marcus_, Feb 16 2025
%Y A381166 Cf. A008277, A134375 (determinant), A381160.
%K A381166 nonn
%O A381166 0,3
%A A381166 _Stefano Spezia_, Feb 15 2025