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A131552 as a simple table

na(n)
14
219
393
4334
5841
63404
77271
87720
944152
10406774
11993948
122421339
138786439
1411387707
1593548200

[4,19,93,334,841,3404,7271,7720,44152,406774,
 993948,2421339,8786439,11387707,93548200]