n | a(n) |
---|---|
0 | 20 |
1 | 130 |
2 | 330 |
3 | 620 |
4 | 1000 |
5 | 1470 |
6 | 2030 |
7 | 2680 |
8 | 3420 |
9 | 4250 |
10 | 5170 |
11 | 6180 |
12 | 7280 |
13 | 8470 |
14 | 9750 |
15 | 11120 |
16 | 12580 |
17 | 14130 |
18 | 15770 |
19 | 17500 |
20 | 19320 |
21 | 21230 |
22 | 23230 |
23 | 25320 |
24 | 27500 |
25 | 29770 |
26 | 32130 |
27 | 34580 |
28 | 37120 |
29 | 39750 |
30 | 42470 |
31 | 45280 |
32 | 48180 |
33 | 51170 |
34 | 54250 |
35 | 57420 |
36 | 60680 |
37 | 64030 |
38 | 67470 |
39 | 71000 |
40 | 74620 |
[20,130,330,620,1000,1470,2030,2680,3420,4250, 5170,6180,7280,8470,9750,11120,12580,14130,15770, 17500,19320,21230,23230,25320,27500,29770,32130, 34580,37120,39750,42470,45280,48180,51170,54250, 57420,60680,64030,67470,71000,74620] |