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A034570 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
341
3516
3680
37360
381291
394343
4013436
4139807
42112856
43310796
44832622
452184407
465621644
4714237909
4835534728
4987549483
50213134661
51513227288
521223234064

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0,0,1,16,80,360,1291,4343,13436,
 39807,112856,310796,832622,2184407,5621644,
 14237909,35534728,87549483,213134661,513227288,
 1223234064]