A058261 a(n) = n times the Collatz number of n (as given in A006577).

0, 2, 21, 8, 25, 48, 112, 24, 171, 60, 154, 108, 117, 238, 255, 64, 204, 360, 380, 140, 147, 330, 345, 240, 575, 260, 2997, 504, 522, 540, 3286, 160, 858, 442, 455, 756, 777, 798, 1326, 320, 4469, 336, 1247