Numbers whose outer two digits are 9's and inner digits are 4's.
A108896
Numbers whose outer two digits are 9's and inner digits are 4's.
Terms
- a(0) =949a(1) =9449a(2) =94449a(3) =944449a(4) =9444449a(5) =94444449a(6) =944444449a(7) =9444444449a(8) =94444444449a(9) =944444444449
External references
- oeis: A108896