Least common multiple of {b(1),...,b(n)}, where b(k) = k(k+1)(2k+1)/6 = A000330(k).

A051538

Least common multiple of {b(1),...,b(n)}, where b(k) = k(k+1)(2k+1)/6 = A000330(k).

Terms

    a(0) =1a(1) =5a(2) =70a(3) =210a(4) =2310a(5) =30030a(6) =60060a(7) =1021020a(8) =19399380a(9) =19399380a(10) =446185740a(11) =2230928700a(12) =6692786100a(13) =194090796900

External references