Squares of the form semiprime(k) + k-th triangular number.
A114023
Squares of the form semiprime(k) + k-th triangular number.
Terms
- a(0) =4a(1) =16a(2) =100a(3) =144a(4) =33489a(5) =82369a(6) =41088506209a(7) =95056905969a(8) =196978855329
External references
- oeis: A114023