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A222866 as a simple table

na(n)
11
21
32
41
512
66
71
886
984
1024
111
12840
131110
14480
15120
161
1711642
1816620
199120
203240
21720
221
23227892
24300846
25185640
2682320
2725200
285040
291
306285806
316810804
324299624
332142000
34816480
35221760
3640320
371
38243593040
39199239270
40117205200
4160890760
4226157600

[1,1,2,1,12,6,1,86,84,24,1,840,1110,480,120,1,
 11642,16620,9120,3240,720,1,227892,300846,185640,
 82320,25200,5040,1,6285806,6810804,4299624,
 2142000,816480,221760,40320,1,243593040,199239270,
 117205200,60890760,26157600]