Decimal numbers n such that after possibly prefixing leading 0's to n, the resulting number n' can be broken into 2 numbers of equal length, n' = xy, such that x^2+y^2 = n (y may also have leading zeros).
A064942
Decimal numbers n such that after possibly prefixing leading 0's to n, the resulting number n' can be broken into 2 numbers of equal length, n' = xy, such that x^2+y^2 = n (y may also have leading zeros).
Terms
- a(0) =1a(1) =1233a(2) =8833a(3) =10100a(4) =990100a(5) =5882353a(6) =94122353a(7) =99009901a(8) =100010000a(9) =1765038125a(10) =2584043776a(11) =7416043776a(12) =8235038125a(13) =9901009901a(14) =48600220401a(15) =116788321168a(16) =123288328768a(17) =601300773101a(18) =876712328768a(19) =883212321168a(20) =990100990100
External references
- oeis: A064942