Numbers n such that d(1)^1 + d(2)^2 + ... + d(p)^p and d(1)^p + d(2)^p-1 +... + d(p)^1 are squares, where d(i), i=1..p, are the digits of n.
A178360
Numbers n such that d(1)^1 + d(2)^2 + ... + d(p)^p and d(1)^p + d(2)^p-1 +... + d(p)^1 are squares, where d(i), i=1..p, are the digits of n.
Terms
- a(0) =1a(1) =4a(2) =9a(3) =10a(4) =40a(5) =90a(6) =100a(7) =148a(8) =400a(9) =838a(10) =841a(11) =900a(12) =1000a(13) =1111a(14) =1440a(15) =4000a(16) =4058a(17) =6430a(18) =7388a(19) =8504a(20) =8668a(21) =8837a(22) =9000a(23) =10000a(24) =10111a(25) =10200a(26) =11011a(27) =11101a(28) =11110a(29) =11215
External references
- oeis: A178360