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A285169 as a simple table

na(n)
71
848
91240
1025864
11496944
129234368
13169378560
143095526912
1556624998400
161039080697856
1719147850612736
18354499096477696
196594549035106304
20123254413518962688
212314187071702433792
2243639888872132837376
23826342030562687975424
2415708220978126028537856
25299700151992553060696064

[1,48,1240,25864,496944,9234368,169378560,
 3095526912,56624998400,1039080697856,
 19147850612736,354499096477696,6594549035106304,
 123254413518962688,2314187071702433792,
 43639888872132837376,826342030562687975424,
 15708220978126028537856,299700151992553060696064]