推算递长关系1-2:102-3:453-4:1404-5:3255-6:6306-7:10857-8:17208-9:2

推算递长关系
1-2:10
2-3:45
3-4:140
4-5:325
5-6:630
6-7:1085
7-8:1720
8-9:2565
9-10:3650
10-11:5005
11-12:6660
12-13:8645
13-14:10990
14-15:13725
15-16:16880
16-17:20485
17-18:24570
18-19:29165
19-20:34300
20-21:68956
21-22:95810
22-23:120000
23-24:150579
24-25:187824
25-26:201192
26-27:222841
27-28:259924
28-29:302592
29-30:310990
30-31:1251143
31-32:1320651
32-33:1390160
33-34:1469597
34-35:1539105
35-36:1618543
36-37:1697980
37-38:1777418
38-39:1856856
39-40:3813009
40-41:4855871
41-42:5085377
42-43:5302804
43-44:5544390
44-45:5785976
45-46:6039640
46-47:6293305
47-48:6559050
48-49:6824794
49-50:13939491
50-51:11446321
51-52:11908062
52-53:12381955
53-54:12880149
54-55:19672605
55-56:16027280
56-57:16646985
57-58:17278842
58-59:17935000
59-60:27364242
60-61:28024350
61-62:34189707
62-63:41700232
63-64:50847380
64-65:61985378
65-66:94430849
66-67:105471995
67-68:117777061
68-69:131488420
69-70:200133111
70-71:203278075
71-72:247418457
80-81的数字是多少,如果是没有正常的递长关系及运算公式就算了