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A299025 as a simple table

na(n)
10
25
352
42
5521
61
75260
850
940
1052130
11520
1220
13526510
145210
1510
16800
175218700
1852600
19500
20400
2152609300
22521300
235200
24200
25521359100
266100
275265100
2852100
29100
305265679000
318000
3252187000
33526000
345000
3552182884000
364000
37526093000
3823000
395213000
4052000

[0,5,52,2,521,1,5260,50,40,52130,520,20,526510,
 5210,10,800,5218700,52600,500,400,52609300,521300,
 5200,200,521359100,6100,5265100,52100,100,
 5265679000,8000,52187000,526000,5000,52182884000,
 4000,526093000,23000,5213000,52000]