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A017531 as a simple table

na(n)
00
1743008370688
21521681143169024
3131621703842267136
43116402981210161152
536279705600000000000
6269561249468963094528
71469170321634239709184
86382393305518410039296
923316389970546096340992
1074300837068800000000000

[0,743008370688,1521681143169024,
 131621703842267136,3116402981210161152,
 36279705600000000000,269561249468963094528,
 1469170321634239709184,6382393305518410039296,
 23316389970546096340992,74300837068800000000000]