OFFSET
1,2
COMMENTS
Not the same as if a(n) = lcm(f(1),f(2),...,f(n))/3 with f(x)=x^2+x+1 and a(1)=f(1).
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..382
MATHEMATICA
f[x_] := x^2 + x + 1; a[1] = 1; a[n_] := LCM[f[n], a[n - 1]]; Array[a, 18]
nxt[{n_, a_}]:={n+1, LCM[a, n^2+3n+3]}; NestList[nxt, {1, 1}, 20][[;; , 2]] (* Harvey P. Dale, Sep 22 2024 *)
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Robert G. Wilson v, Jan 02 2013
STATUS
approved