A385600 The w sequence in quartets (4,u,v,w); see A385182.
3, 2, 1, 7, 4, 6, 1, 11, 2, 8, 5, 3, 10, 4, 15, 5, 12, 3, 9, 6, 19, 14, 7, 2, 8, 16, 1, 9, 23, 13, 4, 18, 10, 7, 11, 20, 1, 27, 12, 6, 22, 17, 13, 2, 14, 5, 31, 24, 11, 8, 3, 15, 26, 16, 4, 21, 35, 17, 10, 28, 5, 18, 3, 30, 19, 15, 6, 39, 12, 9, 25, 20, 2
Offset: 1