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 A374656 #4 Jul 31 2024 11:28:16 %S A374656 4,12,60,360,3240,42120,842400,26114400,1279605600,99809236800, %T A374656 12476154600000,2507707074600000,812497092170400000, %U A374656 424935979205119200000,359070902428325724000000,490490852717092938984000000,1083494293652058302215656000000 %N A374656 a(n) = Product_{k=0..n} L(k)+2, where L=A000032 (Lucas numbers). %C A374656 a(n+1)/a(n) is an integer for n>=0, so (a(n)) is a divisibility sequence. %t A374656 w[n_] := Product[LucasL[k] + 2, {k, 0, n}] %t A374656 Table[w[n], {n, 0, 20}] %Y A374656 Cf. A000032, A374654, A374657. %K A374656 nonn %O A374656 0,1 %A A374656 _Clark Kimberling_, Jul 28 2024