a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 1's.

A254042

a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 1's.

Terms

    a(0) =2a(1) =0a(2) =22a(3) =47a(4) =38a(5) =436a(6) =736a(7) =2322a(8) =3912a(9) =47262a(10) =123398a(11) =263600a(12) =679530a(13) =725244a(14) =8118161a(15) =5690326

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