The "smallest countdown" numbers are the smallest positive integer that cannot be made using the numbers n through 1, in order, using the operations +, -, *, /, and parentheses.
A185352
The "smallest countdown" numbers are the smallest positive integer that cannot be made using the numbers n through 1, in order, using the operations +, -, *, /, and parentheses.
Terms
- a(0) =2a(1) =4a(2) =8a(3) =17a(4) =39a(5) =92a(6) =275a(7) =922a(8) =2894a(9) =10843a(10) =35944
External references
- oeis: A185352