Number of n-digit numbers x such that the digits of x^2 occur with frequency 2.
A225429
Number of n-digit numbers x such that the digits of x^2 occur with frequency 2.
Terms
- a(0) =0a(1) =1a(2) =8a(3) =38a(4) =165a(5) =1020a(6) =5360a(7) =24553a(8) =98442
External references
- oeis: A225429