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A165931 as a simple table

na(n)
11
21
31
42
54
66
78
822
924
1044
11112
12120
13176
14520
15692
161732
171440
182592
194032
206480
2111088
2218720
2323760
2443200
2569984
26123120
27174960
28321732
29408240
30641520
311139184
321959552
332799360
345073840
358550684
3612830400
3720820240
3836684900
3960993000
40101803608
41127591200
42231575760

[1,1,1,2,4,6,8,22,24,44,112,120,176,520,692,1732,
 1440,2592,4032,6480,11088,18720,23760,43200,69984,
 123120,174960,321732,408240,641520,1139184,
 1959552,2799360,5073840,8550684,12830400,20820240,
 36684900,60993000,101803608,127591200,231575760]