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A049300 as a simple table

na(n)
12
22
32
42
5114
69440
7217128
860044
920332472
10417086648
1174959204292
12187219155594
1379622514581574
1414478292443584
156002108856728918
1612288083384384462
175814429911995661690
1814719192159220252523420

[2,2,2,2,114,9440,217128,60044,20332472,417086648,
 74959204292,187219155594,79622514581574,
 14478292443584,6002108856728918,12288083384384462,
 5814429911995661690,14719192159220252523420]