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A246032型作为一个简单的表

n个a(n)
01
126
2124
1400
410000
589504
6707008
75924480
847900416
9393069824
103189761536
1125963397888
12210468531712
131706090904320
1413803141607936
15111595408530176
16901164713600512
177271581998320384
1858625571435837952
19472335388734974720
203803021424555945472
2130602681612309510912
22246127842107210007040

[1,26,124,1400,10000,89504,707008,5924480,47900416,393069824,3189761536,25963397888,210468531712,1706090904320,13803141607936,111595408530176,901164713600512,7271581998320384,58625571435837952,472335388734974720,3803021424555945472,30602681612309510912,246127842107210007040]