A096672 Smallest side of the first primitive d-arithmetic triangle, where d=A072330(n).
3, 15, 15, 29, 39, 51, 65, 73, 87, 75, 89, 109, 111, 157, 123, 185, 149, 205, 221, 219, 185, 183, 195, 205, 291, 327, 255, 291, 305, 255, 269, 325, 303, 317, 411, 339, 411, 397, 375, 481, 533, 409, 461, 507, 425, 471, 435, 435, 593, 565, 521, 485, 493, 555
Offset: 1