a(n)^2 is a square whose consecutive digits differ by 1.
A048412
a(n)^2 is a square whose consecutive digits differ by 1.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =11a(5) =26a(6) =111a(7) =1111a(8) =11111a(9) =111111a(10) =1111111a(11) =11111111a(12) =111111111
External references
- oeis: A048412