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A064030 as a simple table

na(n)
11
22
336
4576
5207360000
6268738560000
7416336312719673760153600000000
86984964247141514123629140377600000000
9300679807141675805997423113304381849600000000

[1,2,36,576,207360000,268738560000,
 416336312719673760153600000000,
 6984964247141514123629140377600000000,
 300679807141675805997423113304381849600000000]