Positive integers with the property that if the base-4 representation is reversed the result is three times the original number.
A223078
Positive integers with the property that if the base-4 representation is reversed the result is three times the original number.
Terms
- a(0) =75a(1) =315a(2) =1275a(3) =5115a(4) =19275a(5) =20475a(6) =76875a(7) =81915a(8) =307275a(9) =322875a(10) =327675a(11) =1228875a(12) =1290555a(13) =1310715a(14) =4915275a(15) =4934475a(16) =5161275a(17) =5223675a(18) =5242875a(19) =19660875a(20) =19741515a(21) =20644155a(22) =20890875a(23) =20971515a(24) =78643275a(25) =78720075a(26) =78969675a(27) =82575675a(28) =82652475a(29) =83559675
External references
- oeis: A223078