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A271945 as a simple table

na(n)
00
10
24
34
440
572
6428
71036
84816
913712
1056020
11174612
12665080
132180568
147991676
1526951708
1696696224
17331269920
181174584228
194059317284
2014299305416
2149658576744
22174293008204
23606920893484
242125899390576
257413894423728
2625940068045428
2790539218468404

[0,0,4,4,40,72,428,1036,4816,13712,56020,174612,
 665080,2180568,7991676,26951708,96696224,
 331269920,1174584228,4059317284,14299305416,
 49658576744,174293008204,606920893484,
 2125899390576,7413894423728,25940068045428,
 90539218468404]