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A150300型作为一个简单的表

n个a(n)
01
12
27
21
480
5275
61120
74164
817627
968636
10297325
111194403
125261790
1321631711
1496502081
15403736439
161818348174
177712720923
1835000405956
19150124914344
20685486436315
212967502084569
2213619251406030
2359418422131252
24273872899297569
251202825082289681
265564479952269571
2724579592893740449

[1,2,7,21,80,275,1120,4164,17627,68636,297325,1194403,5261790,21631711,96502081,403736439,1818348174,7712720923,35000405956,150124914344,685486436315,2967502084569,13619251406030,59418422131252,273872899297569,1202825082289681,5564479952269571,24579592893740449]