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A037224 as a simple table

na(n)
11
20
30
42
52
60
70
812
912
100
110
12120
13120
140
150
161680
171680
180
190
2030240
2130240
220
230
24665280
25665280
260
270
2817297280
2917297280
300
310
32518918400
33518918400
340
350
3617643225600
3717643225600
380
390
40670442572800
41670442572800
420
430
4428158588057600

[1,0,0,2,2,0,0,12,12,0,0,120,120,0,0,1680,1680,0,
 0,30240,30240,0,0,665280,665280,0,0,17297280,
 17297280,0,0,518918400,518918400,0,0,17643225600,
 17643225600,0,0,670442572800,670442572800,0,0,
 28158588057600]