A385597 The w sequence in quartets (3,u,v,w); see A385595.
2, 1, 5, 1, 4, 8, 2, 3, 11, 7, 4, 2, 5, 14, 6, 1, 10, 7, 17, 8, 5, 13, 9, 1, 20, 10, 4, 2, 11, 16, 8, 23, 12, 3, 13, 4, 26, 19, 14, 7, 2, 15, 11, 5, 29, 16, 1, 22, 6, 17, 32, 18, 10, 7, 14, 25, 19, 5, 8, 35, 20, 1, 21, 9, 28, 4, 38, 22, 17, 13, 2, 10, 23, 41
Offset: 1