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A251785 as a simple table

na(n)
11664
22640
36470
414908
535948
685826
7210582
8525800
91281188
103230514
118269042
1220728732
1353387162
14139225802
15357534236
16936054498
172475510686
186476921720
1917167048240
2045854800004
21121609864088
22325220317710
23874682014058

[1664,2640,6470,14908,35948,85826,210582,525800,
 1281188,3230514,8269042,20728732,53387162,
 139225802,357534236,936054498,2475510686,
 6476921720,17167048240,45854800004,121609864088,
 325220317710,874682014058]