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A352057 as a simple table

na(n)
10
21
33
46
510
655
766
8300
9666
10990
113003
125050
1310011
1466066
15500500
16600060
1750005000
185000050000
19500000500000
2050000005000000
215000000050000000
22500000000500000000
2350000000005000000000
245000000000050000000000
25500000000000500000000000
2650000000000005000000000000

[0,1,3,6,10,55,66,300,666,990,3003,5050,10011,
 66066,500500,600060,50005000,5000050000,
 500000500000,50000005000000,5000000050000000,
 500000000500000000,50000000005000000000,
 5000000000050000000000,500000000000500000000000,
 50000000000005000000000000]