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A228212 as a simple table

na(n)
19
249
3199
4665
52059
66305
719171
858025
9175099
10527345
111586131
124766585
1314316139
1442981185
15129009091
16387158345
171161737179
183485735825
1910458256051
2031376865305
2194134790219
22282412759265
23847255055011
242541798719465

[9,49,199,665,2059,6305,19171,58025,175099,527345,
 1586131,4766585,14316139,42981185,129009091,
 387158345,1161737179,3485735825,10458256051,
 31376865305,94134790219,282412759265,847255055011,
 2541798719465]