Numbers k such that T(k) + T(k+1) + ... + T(k+10) is a square, where T(m) = A000217(m) is the m-th triangular number.

A116476

Numbers k such that T(k) + T(k+1) + ... + T(k+10) is a square, where T(m) = A000217(m) is the m-th triangular number.

Terms

    a(0) =13a(1) =46a(2) =229a(3) =1608a(4) =7335a(5) =20304a(6) =92391a(7) =635710a(8) =2892133a(9) =8001886a(10) =36403981a(11) =250470288a(12) =1139495223a(13) =3152724936a(14) =14343078279a(15) =98684659918a(16) =448958227885

External references