Smallest positive integer which cannot be calculated by an expression containing n binary operators (either add or multiply) whose operands are integers between 1 and 9; parenthesis allowed.

A181957

Smallest positive integer which cannot be calculated by an expression containing n binary operators (either add or multiply) whose operands are integers between 1 and 9; parenthesis allowed.

Terms

    a(0) =10a(1) =19a(2) =92a(3) =239a(4) =829a(5) =2831a(6) =10061a(7) =38231a(8) =189311a(9) =621791a(10) =2853533a(11) =11423579

External references