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A317188 as a simple table

na(n)
01
13
28
318
439
585
6189
7422
8942
92099
104673
1110400
1223148
1351528
14114709
15255359
16568460
171265450
182817015
196270953
2013959773
2131075874
2269178058
23153997383
24342813793
25763138256
261698823128
273781752544
288418564665
2918740578667
3041718428560
3192869452514

[1,3,8,18,39,85,189,422,942,2099,4673,10400,23148,
 51528,114709,255359,568460,1265450,2817015,
 6270953,13959773,31075874,69178058,153997383,
 342813793,763138256,1698823128,3781752544,
 8418564665,18740578667,41718428560,92869452514]