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A217061 as a simple table

na(n)
01
11
23
315
4109
51053
612767
7186763
83204313
963128665
101404963387
1134867190823
12954800951749
1328600649870133
14930325531322519
1532658109219519843
161230609634110271921
1749545182501048868145

[1,1,3,15,109,1053,12767,186763,3204313,63128665,
 1404963387,34867190823,954800951749,
 28600649870133,930325531322519,32658109219519843,
 1230609634110271921,49545182501048868145]