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A172139 as a simple table

na(n)
10
21
3126
41168
57334
635749
7137970
8438984
91208246
102969389
116662480
1213873100
1327144408
1450389581
1589424014
16152638280
17251834530
18403250693
19628798516
20957543164
211427453780
222087456085
232999819778
244242915176

[0,1,126,1168,7334,35749,137970,438984,1208246,
 2969389,6662480,13873100,27144408,50389581,
 89424014,152638280,251834530,403250693,628798516,
 957543164,1427453780,2087456085,2999819778,
 4242915176]