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A066114 as a simple table

na(n)
01
12
27
330
4156
5960
66840
755440
8504000
95080320
1056246400
11678585600
128861529600
13124540416000
141874333260800
1530076510464000
16512608352256000
179247873130496000
18176065276907520000
193527707911856128000
2074203511249387520000

[1,2,7,30,156,960,6840,55440,504000,5080320,
 56246400,678585600,8861529600,124540416000,
 1874333260800,30076510464000,512608352256000,
 9247873130496000,176065276907520000,
 3527707911856128000,74203511249387520000]