A032791 n(n+1)(n+2) / n+(n+1)+(n+2) is a lucky number.

1, 7, 9, 19, 27, 33, 43, 61, 63, 79, 91, 109, 115, 151, 187, 223, 241, 249, 253, 259, 261, 285, 295, 313, 331, 333, 361, 375, 379, 387, 439, 441, 457, 469, 475, 487, 513, 519, 529, 559, 583, 609, 619, 627, 631, 645, 691, 721, 745, 747, 763, 765, 783, 811, 835