A330398-OEIS公司

A330398型作为一个简单的表

n个	a（n）
1	0
2	0
三	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	31
14	3411
15	345111
16	34561111
17	3456711111
18	345678111111
19	34567891111111
20	1234567891011111
21	1234567891111110
22	1234567891111110
23	14567891111102
24	14567891111022
25	14567891110222
26	14567891112222
27	14567891122222
28	14567891222222

[0,0,0,0,0,0,0,0,0,0,0,0,31,3411,345111,34561111,3456711111,345678111111,34567891111111,1234567891011111,1234567891111110,1234567891111110,14567891111102,14567891111022,14567891110222,14567891112222,14567891122222,14567891222222]