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A146802 as a simple table

na(n)
11
21
31
41
51
67
721
847
9187
101039
117375
1257703
13534255
146065861
1587670715
161568278041
1734768369321
18953623406901
1931496022601955
201268361436313019
2163421807483845045

[1,1,1,1,1,7,21,47,187,1039,7375,57703,534255,
 6065861,87670715,1568278041,34768369321,
 953623406901,31496022601955,1268361436313019,
 63421807483845045]