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A207565 as a simple table

na(n)
19
281
3221
4636
52234
66315
716812
847596
9129150
10337186
11892181
122343529
136046508
1415601217
1540205083
16102833093
17262404045
18669166152
191701139222
204316129307
2110943611348
2227709283328
2370072708774
24177098593806
25447280003769

[9,81,221,636,2234,6315,16812,47596,129150,337186,
 892181,2343529,6046508,15601217,40205083,
 102833093,262404045,669166152,1701139222,
 4316129307,10943611348,27709283328,70072708774,
 177098593806,447280003769]