Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.
A116109
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.
Terms
- a(0) =94a(1) =210a(2) =294a(3) =994a(4) =5880a(5) =9994a(6) =52888a(7) =99994a(8) =127044a(9) =414180a(10) =999994a(11) =8264470a(12) =9999994a(13) =12456750a(14) =41868508a(15) =99999994a(16) =112670544a(17) =441341880a(18) =468144040a(19) =669421494a(20) =702338994a(21) =715976338a(22) =750005718a(23) =960645294a(24) =999999994
External references
- oeis: A116109