a(n) is the smallest m such that m*(m+1) is divisible by the first n prime numbers.

A118478

a(n) is the smallest m such that m*(m+1) is divisible by the first n prime numbers.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =14a(4) =209a(5) =714a(6) =714a(7) =62985a(8) =367080a(9) =728364a(10) =64822394a(11) =1306238010a(12) =11182598504a(13) =715041747420

External references