Numbers n such that T(n) + T(n+1) + ... + T(n+22) is a square, where T = A000217 (triangular numbers).
A257707
Numbers n such that T(n) + T(n+1) + ... + T(n+22) is a square, where T = A000217 (triangular numbers).
Terms
- a(0) =56a(1) =470a(2) =1094a(3) =7856a(4) =128534a(5) =201539a(6) =3293081a(7) =23435699a(8) =53805155a(9) =382911281a(10) =6256309475a(11) =9809462822a(12) =160274811896
External references
- oeis: A257707