A008641-OEIS公司

A008641号作为一个简单的表

n个	a（n）
0	1
1	1
2	2
三	三
4	5
5	7
6	11
7	15
8	22
9	30
10	42
11	56
12	77
13	100
14	133
15	172
16	224
17	285
18	366
19	460
20	582
21	725
22	905
23	1116
24	1380
25	1686
26	2063
27	2503
28	3036
29	3655
30	4401
31	5262
32	6290
33	7476
34	8877
35	10489
36	12384
37	14552
38	17084
39	19978
40	23334
41	27156
42	31570
43	36578
44	42333
45	48849
46	56297

[1,1,2,3,5,7,11,15,22,30,42,56,77,100,133,172,224,285,366,460,582,725,905,1116,1380,1686,2063,2503,3036,3655,4401,5262,6290,7476,8877,10489,12384,14552,17084,19978,23334,27156,31570,36578,42333,48849,56297]