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A090577号作为一个简单的表

n个a(n)
01
1
29
24
472
5174
6519
71284
83813
99300
1027462
1166666
12195674
13470886
141372946
153280224
169495005
1722487511
1864615934
19151714911

[1,3,9,24,72,174,519,1284,3813,9300,27462,66666,195674,470886,1372946,3280224,9495005,22487511,64615934,151714911]