First nonprime in a sequence of consecutive nonprimes which is at least twice as long as any earlier run of consecutive nonprimes in this list.

A056784

First nonprime in a sequence of consecutive nonprimes which is at least twice as long as any earlier run of consecutive nonprimes in this list.

Terms

    a(0) =1a(1) =8a(2) =90a(3) =524a(4) =9552a(5) =31398a(6) =2010734a(7) =2300942550

External references