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A307978 as a simple table

na(n)
01
10
20
31
40
50
610
71
80
9280
10120
111
1215400
1317160
142080
151401401
163203200
171290640
18190623040
19775975201
20712150400
2136321556720
22239000886400
23413465452401
249339501072000
2591625659447400
26266045692290560
273216459513124001
2842923384190336000
29193108117771690680

[1,0,0,1,0,0,10,1,0,280,120,1,15400,17160,2080,
 1401401,3203200,1290640,190623040,775975201,
 712150400,36321556720,239000886400,413465452401,
 9339501072000,91625659447400,266045692290560,
 3216459513124001,42923384190336000,
 193108117771690680]