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A288516 as a simple table

na(n)
11
212
349
4146
5373
6872
71929
84118
98589
1017644
1135889
1272538
13146021
14293200
15587801
161177278
172356541
184715412
199433537
2018870210
2137744021
2275492152
23150988969
24301983206
25603972333
261207951292
272415909969
284831828138
299663665349
3019327340704

[1,12,49,146,373,872,1929,4118,8589,17644,35889,
 72538,146021,293200,587801,1177278,2356541,
 4715412,9433537,18870210,37744021,75492152,
 150988969,301983206,603972333,1207951292,
 2415909969,4831828138,9663665349,19327340704]