Numbers k such that (3*(2*k + 1)^2 + 2)/5 is a square.
A145607
Numbers k such that (3*(2*k + 1)^2 + 2)/5 is a square.
Terms
- a(0) =0a(1) =4a(2) =35a(3) =279a(4) =2200a(5) =17324a(6) =136395a(7) =1073839a(8) =8454320a(9) =66560724a(10) =524031475a(11) =4125691079a(12) =32481497160a(13) =255726286204
External references
- oeis: A145607