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A352818 as a simple table

na(n)
11
22
33
45
510
621
745
8100
9225
10515
111190
122780
136550
1415555
1537187
1689428
17216163
18524890
191279727
203131526
217688383
2218933352
2346754406
24115750501
25287238398
26714340089
271780091533
284444198347
2911114847215
3027843451884
3169856594565
32175515654498

[1,2,3,5,10,21,45,100,225,515,1190,2780,6550,
 15555,37187,89428,216163,524890,1279727,3131526,
 7688383,18933352,46754406,115750501,287238398,
 714340089,1780091533,4444198347,11114847215,
 27843451884,69856594565,175515654498]