Semiprime nearest to 5^n. In case of a tie, choose the smaller.
A117429
Semiprime nearest to 5^n. In case of a tie, choose the smaller.
Terms
- a(0) =4a(1) =4a(2) =25a(3) =123a(4) =626a(5) =3127a(6) =15623a(7) =78123a(8) =390623a(9) =1953122a(10) =9765627a(11) =48828127a(12) =244140623a(13) =1220703121a(14) =6103515629a(15) =30517578127a(16) =152587890617a(17) =762939453119
External references
- oeis: A117429