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A000392号作为一个简单的表

n个a(n)
00
10
20
1
46
525
690
7301
8966
93025
109330
1128501
1286526
13261625
14788970
152375101
167141686
1721457825
1864439010
19193448101
20580606446
211742343625
225228079450
2315686335501
2447063200806
25141197991025
26423610750290
271270865805301

[0,0,0,1,6,25,90,301,966,3025,9330,28501,86526,261625,788970,2375101,7141686,21457825,64439010,193448101,580606446,1742343625,5228079450,15686335501,47063200806,141197991025,423610750290,1270865805301]