A236746-组织环境信息系统

A236746型作为一个简单的表

n个	a（n）
1	81
2	267
三	267
4	833
5	1411
6	833
7	2907
8	7377
9	7377
10	2907
11	10233
12	46377
13	68839
14	46377
15	10233
16	37467
17	300555
18	810039
19	810039
20	300555
21	37467
22	139201
23	2045011
24	9665961
25	17740369
26	9665961
27	2045011
28	139201
29	526395
30	14169625
31	119169209
32	385709603

[81,267,267,833,1411,833,2907,7377,7377,2907,10233,46377,68839,46377,10233,37467,300555,810039,810039,300555,37467,139201,2045011,9665961,17740369,9665961,2045011,139201,526395,14169625,119169209,385709603]