A062415 Integer part of ln(n)^(n - 1).

1, 0, 1, 2, 6, 18, 54, 168, 543, 1819, 6284, 22305, 81085, 301185, 1140759, 4398268, 17237268, 68582448, 276723505, 1131245762, 4681484414, 19597666672, 82933899715, 354575503930, 1530739734801, 6669583434025, 29316248173094