A130723 Lowest common multiple of 3 and n^2+n+1.

3, 3, 21, 39, 21, 93, 129, 57, 219, 273, 111, 399, 471, 183, 633, 723, 273, 921, 1029, 381, 1263, 1389, 507, 1659, 1803, 651, 2109, 2271, 813, 2612, 2793, 993, 3171, 3369, 1191, 3783, 3999, 1407, 4449, 4683, 1641, 5169, 5421, 1893, 5943, 6213, 2163, 6771