n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 7 |
4 | 49 |
5 | 91 |
6 | 637 |
7 | 1729 |
8 | 8281 |
9 | 12103 |
10 | 53599 |
11 | 157339 |
12 | 375193 |
13 | 1983163 |
14 | 4877509 |
15 | 13882141 |
16 | 85276009 |
17 | 180467833 |
18 | 596932063 |
19 | 3428888827 |
20 | 4178524441 |
21 | 7760116819 |
22 | 29249671087 |
23 | 36412855843 |
24 | 147442219561 |
25 | 254889990901 |
26 | 473367125959 |
27 | 1784229936307 |
28 | 2439661341481 |
[0,1,7,49,91,637,1729,8281,12103,53599,157339, 375193,1983163,4877509,13882141,85276009, 180467833,596932063,3428888827,4178524441, 7760116819,29249671087,36412855843,147442219561, 254889990901,473367125959,1784229936307, 2439661341481] |