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A299506 as a simple table

na(n)
01
13
243
3661
410515
5171097
62828101
747284251
8797456947
913540982665
10231188344401
113964874384863
1268252711769373
131178662654873191
1420409993947488075
15354260920943874245
166161735337225790035
17107368528677807960185
181873946997372948997345
1932754419073618998202975

[1,3,43,661,10515,171097,2828101,47284251,
 797456947,13540982665,231188344401,3964874384863,
 68252711769373,1178662654873191,20409993947488075,
 354260920943874245,6161735337225790035,
 107368528677807960185,1873946997372948997345,
 32754419073618998202975]