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A052515 as a simple table

na(n)
00
10
20
30
46
520
650
7112
8238
9492
101002
112024
124070
138164
1416354
1532736
1665502
17131036
18262106
19524248
201048534
212097108
224194258
238388560
2416777166
2533554380
2667108810
27134217672
28268435398
29536870852
301073741762

[0,0,0,0,6,20,50,112,238,492,1002,2024,4070,8164,
 16354,32736,65502,131036,262106,524248,1048534,
 2097108,4194258,8388560,16777166,33554380,
 67108810,134217672,268435398,536870852,1073741762]