Smallest number with n nonprime substrings (Version 2: substrings with leading zeros are counted as nonprime if the corresponding number is > 0).

A213303

Smallest number with n nonprime substrings (Version 2: substrings with leading zeros are counted as nonprime if the corresponding number is > 0).

Terms

    a(0) =2a(1) =1a(2) =10a(3) =14a(4) =101a(5) =104a(6) =144a(7) =1001a(8) =1014a(9) =1044a(10) =1444a(11) =10010a(12) =10014a(13) =10144a(14) =10444a(15) =14444a(16) =100101a(17) =100104a(18) =100144a(19) =101444a(20) =104444a(21) =144444a(22) =1000144a(23) =1001014a(24) =1001044a(25) =1001444a(26) =1014444a(27) =1044444a(28) =1444444a(29) =10001044

External references