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A162321 as a simple table

na(n)
01
115
2119
3665
42939
510933
635580
7103972
8277950
9689282
101602727
113523945
127376794
1314784390
1428500705
1553054702
1695687240
17167682306
18286218490
19476893794
20777106448
211240505775
221942759458
232988915740
244522669833

[1,15,119,665,2939,10933,35580,103972,277950,
 689282,1602727,3523945,7376794,14784390,28500705,
 53054702,95687240,167682306,286218490,476893794,
 777106448,1240505775,1942759458,2988915740,
 4522669833]