a(n) is the smallest Carmichael number (A002997) divisible by the n-th prime, or 0 if no such number exists.

A135721

a(n) is the smallest Carmichael number (A002997) divisible by the n-th prime, or 0 if no such number exists.

Terms

    a(0) =561a(1) =1105a(2) =1729a(3) =561a(4) =1105a(5) =561a(6) =1729a(7) =6601a(8) =2465a(9) =2821a(10) =29341a(11) =6601a(12) =334153a(13) =62745a(14) =2433601a(15) =74165065a(16) =29341a(17) =8911a(18) =10024561a(19) =10585a(20) =2508013a(21) =55462177a(22) =62745a(23) =46657a(24) =101101a(25) =52633a(26) =84350561a(27) =188461a(28) =278545a(29) =1152271

External references