A213043-OEIS公司

A213043型作为一个简单的表

n个	a（n）
0	1
1	0
2	三
三	1
4	7
5	5
6	16
7	17
8	38
9	50
10	94
11	138
12	239
13	370
14	617
15	979
16	1605
17	2575
18	4190
19	6755
20	10956
21	17700
22	28668
23	46356
24	75037
25	121380
26	196431
27	317797
28	514243
29	832025
30	1346284
31	2178293
32	3524594
33	5702870
34	9227482
35	14930334
36	24157835
37	39088150
38	63246005
39	102334135

[1,0,3,1,7,5,16,17,38,50,94,138,239,370,617,979,1605,2575,4190,6755,10956,17700,28668,46356,75037,121380,196431,317797,514243,832025,1346284,2178293,3524594,5702870,9227482,14930334,24157835,39088150,63246005,102334135]