OFFSET
1,1
COMMENTS
Prime divisors counted without multiplicity. - Harvey P. Dale, Dec 06 2018
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..349
FORMULA
MAPLE
seq(lcm(product(ithprime(i), i=1..j), j), j=1..40);
MATHEMATICA
With[{nn=20}, LCM@@#&/@Thread[{Range[nn], FoldList[Times, Prime[ Range[ nn]]]}]] (* Harvey P. Dale, Dec 06 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 17 2002
EXTENSIONS
More terms from Sascha Kurz, Jan 03 2003
Definition clarified by Harvey P. Dale, Dec 06 2018
STATUS
approved