Minimal number (in decimal representation) with n nonprime substrings in base-7 representation (substrings with leading zeros are considered to be nonprime).
A217107
Minimal number (in decimal representation) with n nonprime substrings in base-7 representation (substrings with leading zeros are considered to be nonprime).
Terms
- a(0) =2a(1) =1a(2) =7a(3) =8a(4) =51a(5) =49a(6) =57a(7) =353a(8) =345a(9) =343a(10) =400a(11) =2417a(12) =2411a(13) =2403a(14) =2401a(15) =9604a(16) =16880a(17) =16823a(18) =16829a(19) =16809a(20) =16807a(21) =67228a(22) =117763a(23) =117721a(24) =117666a(25) =117659a(26) =117651a(27) =117649a(28) =470596a(29) =823709
External references
- oeis: A217107