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A244148 as a simple table

na(n)
11
22
372
4115200
513276569600
6165253252792320000
7312379127174190543667200000
8120053472861445542607502662277529600000
912098873398276702490569569159619238449643520000000000
10400639807706466477973460949403651522366500906696560470917120000000000

[1,2,72,115200,13276569600,165253252792320000,
 312379127174190543667200000,
 120053472861445542607502662277529600000,
 12098873398276702490569569159619238449643520000000\
 000,
 40063980770646647797346094940365152236650090669656\
 0470917120000000000]