Let x(1)x(2)... x(q) denote the decimal expansion of a number n with q odd. The sequence lists the squares n such that the central digit equals the sum of the other digits.
A236181
Let x(1)x(2)... x(q) denote the decimal expansion of a number n with q odd. The sequence lists the squares n such that the central digit equals the sum of the other digits.
Terms
- a(0) =121a(1) =484a(2) =10201a(3) =10816a(4) =40804a(5) =72900a(6) =1002001a(7) =1008016a(8) =3059001a(9) =4008004a(10) =100020001a(11) =100080016a(12) =151290000a(13) =210250000a(14) =216090000a(15) =234090000a(16) =313290000a(17) =400080004a(18) =10000200001a(19) =10000800016a(20) =10210900401a(21) =11003800201a(22) =11020800400a(23) =14101800001a(24) =30101903001a(25) =30310810000
External references
- oeis: A236181