A075454 Integer averages of two successive perfect powers (pp(n) + pp(n+1))/2.
6, 26, 34, 123, 136, 206, 234, 352, 498, 1012, 1350, 1746, 2082, 2192, 2203, 2724, 3075, 3428, 4977, 5804, 6874, 7760, 8050, 8146, 9335, 10732, 12244, 13874, 16724, 17500, 19782, 21928, 24519, 26948, 29860, 32946, 35829, 39254, 42862, 50639
Offset: 1
Examples
6 is OK because (pp(2) + pp(3))/2 = (4 + 8)/2 = 6.