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A337257 as a simple table

na(n)
00
10
21
32
46
512
624
748
884
9140
10240
11480
12720
131440
142376
153696
165040
1710080
1813824
1927648
2038880
2157600
2291200
23182400
24232320
25325248
26510048
27649152
28882000
291764000
302246400
314492800
325356800
337618560
3411796480
3515925248

[0,0,1,2,6,12,24,48,84,140,240,480,720,1440,2376,
 3696,5040,10080,13824,27648,38880,57600,91200,
 182400,232320,325248,510048,649152,882000,1764000,
 2246400,4492800,5356800,7618560,11796480,15925248]