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A365949 as a simple table

na(n)
10
21
30
40
50
64
71
80
90
100
110
120
139
1442
1536
169
171
180
190
200
210
220
230
240
2516
26328
271504
282960
292992
301668
31560
32120
3316
341
350
360
370
380
390
400
410
420
430
4425
451510
4616300
4786925
48285200
49625550
50947740
511004400
52754775
53412250
54168450
5552620
5612650
572300
58300
5925
601

[0,1,0,0,0,4,1,0,0,0,0,0,9,42,36,9,1,0,0,0,0,0,0,
 0,16,328,1504,2960,2992,1668,560,120,16,1,0,0,0,0,
 0,0,0,0,0,25,1510,16300,86925,285200,625550,
 947740,1004400,754775,412250,168450,52620,12650,
 2300,300,25,1]