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A048601号作为一个简单的表

n个a(n)
11
21
1
42
5
62
77
814
914
107
1142
12105
13135
14105
1542
16429
171287
182002
192002
201287
21429
227436
2326026
2447320
2556784
2647320
2726026
287436
29218348
30873392
311813968
322519400
332519400
341813968
35873392
36218348
3710850216
3848825972
39113927268
40179028564

[1,1,1,2,3,2,7,14,14,7,42,105,135,105,42,429,1287,2002,2002,1287,429,7436,26026,47320,56784,47320,26026,7436,218348,873392,1813968,2519400,2519400,1813968,873392,218348,10850216,48825972,113927268,179028564]