The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 6 |
| 4 | 12 |
| 5 | 31 |
| 6 | 34 |
| 7 | 36 |
| 8 | 101 |
| 9 | 179 |
| 10 | 262 |
| 11 | 275 |
| 12 | 407 |
| 13 | 807 |
| 14 | 930 |
| 15 | 3276 |
| 16 | 8154 |
| 17 | 176751 |
| 18 | 1198499 |
| 19 | 1312272 |
| 20 | 3943929 |
| 21 | 4069706 |
| 22 | 4941571 |
| 23 | 620985962 |
| 24 | 3327393063 |
| 25 | 15776416599 |
| 26 | 23114216336 |
| 27 | 78530521453 |
| 28 | 215428548619 |
| 29 | 313382365306 |
| 30 | 327012435118 |
| 31 | 822405835210 |
| 32 | 962024981041 |
[0,1,6,12,31,34,36,101,179,262,275,407,807,930, 3276,8154,176751,1198499,1312272,3943929,4069706, 4941571,620985962,3327393063,15776416599, 23114216336,78530521453,215428548619,313382365306, 327012435118,822405835210,962024981041] |