339173domain: NPropertiesPrimalityPrimeyesAppears in sequencesPositive numbers y such that y^2 is of the form x^2+(x+233)^2 with integer x.at n=14A157297Numbers k such that k and the k-th triangular number T(k) = k*(k+1)/2 have only odd digits.at n=15A347475Prime numbersat n=29128