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A147770 as a simple table

na(n)
01
10
20
30
40
50
60
70
80
90
100
11373888
122546096
1316044672
1456408320
15116750592
16152623774
17116750592
1856408320
1916044672
202546096
21373888
220
230
240
250
260
270
280
290
300
310
321

[1,0,0,0,0,0,0,0,0,0,0,373888,2546096,16044672,
 56408320,116750592,152623774,116750592,56408320,
 16044672,2546096,373888,0,0,0,0,0,0,0,0,0,0,1]