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A211839 as a simple table

na(n)
1664
22621
39068
427312
572840
6175475
7388512
8801674
91558833
102881546
115099561
128689553
1314323455
1422927854
1535756027
1654474297
1781264494
18118944411
19171108250
20242289158
21338146058
22465677085
23633462042
24851936396
251133699439

[664,2621,9068,27312,72840,175475,388512,801674,
 1558833,2881546,5099561,8689553,14323455,22927854,
 35756027,54474297,81264494,118944411,171108250,
 242289158,338146058,465677085,633462042,851936396,
 1133699439]