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A174145号作为一个简单的表

n个a(n)
01
10
21
2
45
511
628
767
8171
9433
101123
112924
127720
1320487
1454838
15147570
16399466
171086312
182967517
198137552
2022395604
2161833349
22171227674
23475442129
241323449661
253692461865
2610324097819
2728923331940
2881179488039
29228240293289
30642744665401
311812762839702

[1,0,1,2,5,11,28,67,171,433,1123,2924,7720,20487,54838,147570,399466,1086312,2967517,8137552,22395604,61833349,171227674,475442129,1323449661,3692461865,10324097819,28923331940,81179488039,228240293289,642744665401,1812762839702]