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A207806 as a simple table

na(n)
126
2676
34374
443990
5382288
63511534
731569510
8285774964
92580956950
1023333448086
11210885788448
121906172464566
1317228491782138
14155715573550500
151407388340653890
1612720361717357138
17114970670286577872

[26,676,4374,43990,382288,3511534,31569510,
 285774964,2580956950,23333448086,210885788448,
 1906172464566,17228491782138,155715573550500,
 1407388340653890,12720361717357138,
 114970670286577872]