A214577-组织环境信息系统

A214577型作为一个简单的表

n个	a（n）
1	2
2	三
三	4
4	5
5	7
6	8
7	9
8	11
9	16
10	17
11	19
12	23
13	25
14	27
15	31
16	32
17	49
18	53
19	59
20	64
21	67
22	81
23	83
24	97
25	103
26	121
27	125
28	127
29	128
30	131
31	227
32	241
33	243
34	256
35	277
36	289
37	311
38	331
39	343
40	361
41	419
42	431
43	509
44	512
45	529
46	563
47	625
48	661
49	691
50	709
51	719
52	729
53	739
54	961
55	1024
56	1331
57	1433
58	1523
59	1543
60	1619
61	1787
62	1879
63	2048
64	2063
65	2187
66	2221
67	2309
68	2401
69	2437
70	2809
71	2897

[2,3,4,5,7,8,9,11,16,17,19,23,25,27,31,32,49,53,59,64,67,81,83,97,103,121,125,127,128,131,227,241,243,256,277,289,311,331,343,361,419,431,509,512,529,563,625,661,691,709,719,729,739,961,1024,1331,1433,1523,1543,1619,1787,1879,2048,2063,2187,2221,2309,2401,2437,2809,2897]