Numbers m such that 16*m*(3*m+1)+1 is a square.
A217855
Numbers m such that 16*m*(3*m+1)+1 is a square.
Terms
- a(0) =0a(1) =2a(2) =30a(3) =420a(4) =5852a(5) =81510a(6) =1135290a(7) =15812552a(8) =220240440a(9) =3067553610a(10) =42725510102a(11) =595089587820
External references
- oeis: A217855