Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero).

A259316

Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero).

Terms

    a(0) =1a(1) =9a(2) =54a(3) =55a(4) =99a(5) =999a(6) =2727a(7) =3222a(8) =7777a(9) =8272a(10) =9999a(11) =12466a(12) =22222a(13) =25912a(14) =39114a(15) =75880a(16) =87777a(17) =87804a(18) =93357a(19) =99999a(20) =124660a(21) =142857a(22) =181818a(23) =185185a(24) =189189a(25) =230769a(26) =231868a(27) =324675a(28) =390313a(29) =412587

External references