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A000626 as a simple table

na(n)
10
20
30
40
50
60
74
811
935
10101
11290
12804
132256
146296
1517689
1649952
17142016
18406330
191170272
203390932
219882412
2228955403
2385261439
24252213192
25749250700
262234562027
276688670232
2820088920730
2960525912003
30182895125096
31554186425193
321683554604984
335126814324715
3415647846830627
3547862034920652
36146691540312878

[0,0,0,0,0,0,4,11,35,101,290,804,2256,6296,17689,
 49952,142016,406330,1170272,3390932,9882412,
 28955403,85261439,252213192,749250700,2234562027,
 6688670232,20088920730,60525912003,182895125096,
 554186425193,1683554604984,5126814324715,
 15647846830627,47862034920652,146691540312878]