A057703-OEIS公司

A057703号作为一个简单的表

n个	a（n）
0	0
1	1
2	三
三	7
4	15
5	31
6	62
7	119
8	218
9	381
10	637
11	1023
12	1585
13	2379
14	3472
15	4943
16	6884
17	9401
18	12615
19	16663
20	21699
21	27895
22	35442
23	44551
24	55454
25	68405
26	83681
27	101583
28	122437
29	146595
30	174436
31	206367
32	242824
33	284273
34	331211
35	384167
36	443703
37	510415
38	584934
39	667927

[0,1,3,7,15,31,62,119,218,381,637,1023,1585,2379,3472,4943,6884,9401,12615,16663,21699,27895,35442,44551,55454,68405,83681,101583,122437,146595,174436,206367,242824,284273,331211,384167,443703,510415,584934,667927]