Largest number with n nonprime substrings (substrings with leading zeros are considered to be nonprime).

A213300

Largest number with n nonprime substrings (substrings with leading zeros are considered to be nonprime).

Terms

    a(0) =373a(1) =3797a(2) =37337a(3) =73373a(4) =373379a(5) =831373a(6) =3733797a(7) =3733739a(8) =8313733a(9) =9973331a(10) =37337397a(11) =82337397a(12) =99733313a(13) =99733317a(14) =99793373a(15) =733133733a(16) =831373379a(17) =997333137a(18) =997337397a(19) =997933739a(20) =7331337337a(21) =8313733797a(22) =9733733797a(23) =9973331373a(24) =9979337397a(25) =9982337397

External references