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a(n) = (1/6)*A374660(n).
2

%I #6 Aug 04 2024 13:44:52

%S 1,5,35,280,3080,46200,1016400,33541200,1710601200,136848096000,

%T 17379708192000,3528080762976000,1150154328730176000,

%U 603831022583342400000,511444876128091012800000,699656590543228505510400000,1546940721691078225683494400000

%N a(n) = (1/6)*A374660(n).

%C a(n+1)/a(n) is an integer for n>=0, so (a(n)) is a divisibility sequence.

%t w[n_] := Product[LucasL[k] + 4, {k, 0, n}]

%t (1/6) Table[w[n], {n, 0, 20}]

%Y Cf. A000142, A374654, A374660.

%K nonn

%O 0,2

%A _Clark Kimberling_, Aug 03 2024