The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 68719476736 |
| 2 | 281474976710656 |
| 3 | 36520347436056576 |
| 4 | 1152921504606846976 |
| 5 | 16777216000000000000 |
| 6 | 149587343098087735296 |
| 7 | 951166013805414055936 |
| 8 | 4722366482869645213696 |
| 9 | 19408409961765342806016 |
| 10 | 68719476736000000000000 |
| 11 | 215671155821681003462656 |
| 12 | 612709757329767363772416 |
[0,68719476736,281474976710656,36520347436056576, 1152921504606846976,16777216000000000000, 149587343098087735296,951166013805414055936, 4722366482869645213696,19408409961765342806016, 68719476736000000000000,215671155821681003462656, 612709757329767363772416] |