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A131178 as a simple table

na(n)
11
22
35
416
564
6308
71730
811104
980176
10643232
115676560
1254650176
13569980384
146401959328
1577042282000
16988949446144
1713488013248256
18194780492544512
192969094574403840
2047640794742439936
21802644553810683904
2214166772337295285248
23261410917571703825920

[1,2,5,16,64,308,1730,11104,80176,643232,5676560,
 54650176,569980384,6401959328,77042282000,
 988949446144,13488013248256,194780492544512,
 2969094574403840,47640794742439936,
 802644553810683904,14166772337295285248,
 261410917571703825920]