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A010913 as a simple table

na(n)
03
117
296
3542
43060
517276
697536
7550664
83108912
917552144
1099095040
11559465952
123158605632
1317832701888
14100679000064
15568408596608
163209093579520
1718117744283904
18102288278544384
19577494182698496
203260388539102208
2118407342869216256
22103923280137093120

[3,17,96,542,3060,17276,97536,550664,3108912,
 17552144,99095040,559465952,3158605632,
 17832701888,100679000064,568408596608,
 3209093579520,18117744283904,102288278544384,
 577494182698496,3260388539102208,
 18407342869216256,103923280137093120]