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A093377 as a simple table

na(n)
01
10
20
34
438
5728
626864
71871576
8251762204
966308767200
1034497665550400
1135641856042561008
1273354660691960203016
13301272244237002052739424
142471648864359822034978330304
1540527681073171940835893232576032

[1,0,0,4,38,728,26864,1871576,251762204,
 66308767200,34497665550400,35641856042561008,
 73354660691960203016,301272244237002052739424,
 2471648864359822034978330304,
 40527681073171940835893232576032]