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A277132 as a simple table

na(n)
11
23
314
478
5508
63796
732048
8301872
93139680
1035746080
11442258560
125909028480
1384802072320
141301090515200
1521253339699200
16368281038182400
176747621163315200
18130338926671564800
192647326900234240000
2056404832240977920000

[1,3,14,78,508,3796,32048,301872,3139680,35746080,
 442258560,5909028480,84802072320,1301090515200,
 21253339699200,368281038182400,6747621163315200,
 130338926671564800,2647326900234240000,
 56404832240977920000]