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A277265 as a simple table

na(n)
10
21
30
42
512
62
79
81200
93280
1012
1144
12498960
1397193600
145972400
15312
16265
17415981440
1814591060915200
1973866846715200
2031918489344
219600
221854
23615853022400
247390721380256614400
259022243072072662432000
26287350869074488547328
27393956489203200
28416880
2914833
301477095102362880

[0,1,0,2,12,2,9,1200,3280,12,44,498960,97193600,
 5972400,312,265,415981440,14591060915200,
 73866846715200,31918489344,9600,1854,615853022400,
 7390721380256614400,9022243072072662432000,
 287350869074488547328,393956489203200,416880,
 14833,1477095102362880]