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 A217370 a(n) = (product of previous terms) * (sum of previous terms), with a(1) = 2, a(2) = 3. 0
 2, 3, 30, 6300, 7183890000, 58523836061676932100000000, 27902190435973847782838929289594860174185569868010410000000000000000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..7. EXAMPLE a(3) = (2+3) * (2*3) = 5*6 = 30. MATHEMATICA t = {2, 3}; Do[AppendTo[t, (Times @@ t) Total[t]], {5}]; t (* T. D. Noe, Oct 08 2012 *) PROG (Maxima) a[0]:2\$ a[1]:3\$ a[n]:=sum(a[i], i, 0, n-1)*(prod(a[i], i, 0, n-1)); makelist(a[n], n, 0, 5); /* Martin Ettl, Oct 04 2012 */ CROSSREFS Sequence in context: A110351 A326224 A270483 * A088115 A230627 A048986 Adjacent sequences: A217367 A217368 A217369 * A217371 A217372 A217373 KEYWORD nonn AUTHOR Jon Perry, Oct 01 2012 STATUS approved

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Last modified June 21 20:04 EDT 2024. Contains 373559 sequences. (Running on oeis4.)