a(n) = smallest positive integer that cannot be obtained using the number n at most n times and the operations +, -, *, /, where intermediate subexpressions must be integers.

A071848

a(n) = smallest positive integer that cannot be obtained using the number n at most n times and the operations +, -, *, /, where intermediate subexpressions must be integers.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =10a(4) =13a(5) =22a(6) =38a(7) =85a(8) =138a(9) =246a(10) =547a(11) =1121a(12) =2792a(13) =6379a(14) =15021a(15) =20870a(16) =48309a(17) =161629

External references