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A013296 as a simple table

na(n)
00
11
26
3150
47560
5642600
682328400
714799985200
83550699152000
91095489931536000
10422416533258720000
11199001229578030880000
12112442434205652270720000
1375042084306026165328000000

[0,1,6,150,7560,642600,82328400,14799985200,
 3550699152000,1095489931536000,422416533258720000,
 199001229578030880000,112442434205652270720000,
 75042084306026165328000000]