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A253284 as a simple table

na(n)
01
12
22
36
418
512
624
7144
8240
9120
10120
111200
123600
134200
141680
15720
1610800
1750400
18100800
1990720
2030240
215040
22105840
23705600
242116800
253175200
262328480
27665280
2840320
291128960
3010160640
3142336000
3293139200
33111767040
3469189120
3517297280

[1,2,2,6,18,12,24,144,240,120,120,1200,3600,4200,
 1680,720,10800,50400,100800,90720,30240,5040,
 105840,705600,2116800,3175200,2328480,665280,
 40320,1128960,10160640,42336000,93139200,
 111767040,69189120,17297280]