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A057497 as a simple table

na(n)
11
21
31
42
56
617
713
817
930
1060
11555
12990
131616
142168
152467
162648
172294
181892
191283
20810

[1,1,1,2,6,17,13,17,30,60,555,990,1616,2168,2467,
 2648,2294,1892,1283,810]