The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | -3 |
| 1 | 4 |
| 2 | 5 |
| 3 | 14 |
| 4 | 33 |
| 5 | 80 |
| 6 | 193 |
| 7 | 466 |
| 8 | 1125 |
| 9 | 2716 |
| 10 | 6557 |
| 11 | 15830 |
| 12 | 38217 |
| 13 | 92264 |
| 14 | 222745 |
| 15 | 537754 |
| 16 | 1298253 |
| 17 | 3134260 |
| 18 | 7566773 |
| 19 | 18267806 |
| 20 | 44102385 |
| 21 | 106472576 |
| 22 | 257047537 |
| 23 | 620567650 |
| 24 | 1498182837 |
| 25 | 3616933324 |
| 26 | 8732049485 |
| 27 | 21081032294 |
| 28 | 50894114073 |
| 29 | 122869260440 |
| 30 | 296632634953 |
[-3,4,5,14,33,80,193,466,1125,2716,6557,15830, 38217,92264,222745,537754,1298253,3134260,7566773, 18267806,44102385,106472576,257047537,620567650, 1498182837,3616933324,8732049485,21081032294, 50894114073,122869260440,296632634953] |