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A318766 as a simple table

na(n)
01
13
224
3576
427648
53317760
6557383680
7160526499840
857789539942400
930512877089587200
1025630816755253248000
1124605584085043118080000
1233660439028338985533440000
1356549537567609495696179200000
14104503545424942348046539161600000

[1,3,24,576,27648,3317760,557383680,160526499840,
 57789539942400,30512877089587200,
 25630816755253248000,24605584085043118080000,
 33660439028338985533440000,
 56549537567609495696179200000,
 104503545424942348046539161600000]