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A100087 as a simple table

na(n)
01
12
24
310
424
560
6148
7370
8920
92300
105736
1114340
1235808
1389520
14223668
15559170
161397496
173493740
188732920
1921832300
2054575888
21136439720
22341082504
23852706260
242131706864
255329267160
2613322959888
2733307399720
2883267756400
29208169391000
30520420803060
311301052007650

[1,2,4,10,24,60,148,370,920,2300,5736,14340,35808,
 89520,223668,559170,1397496,3493740,8732920,
 21832300,54575888,136439720,341082504,852706260,
 2131706864,5329267160,13322959888,33307399720,
 83267756400,208169391000,520420803060,
 1301052007650]