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A062431 as a simple table

na(n)
11
21
33
410
528
670
7161
8345
9704
101369
112558
124612
138062
1413706
1522728
1636852
1758550
1891312
19140010
20211355
21314493
22461764
23669659
24960021
251361545
261911638
272658715
283665010
295010011
306794629
319146243
3212224774
3316229962

[1,1,3,10,28,70,161,345,704,1369,2558,4612,8062,
 13706,22728,36852,58550,91312,140010,211355,
 314493,461764,669659,960021,1361545,1911638,
 2658715,3665010,5010011,6794629,9146243,12224774,
 16229962]