| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 6 |
| 4 | 6 |
| 5 | 10 |
| 6 | 18 |
| 7 | 22 |
| 8 | 30 |
| 9 | 42 |
| 10 | 66 |
| 11 | 78 |
| 12 | 110 |
| 13 | 138 |
| 14 | 186 |
| 15 | 254 |
| 16 | 318 |
| 17 | 402 |
| 18 | 522 |
| 19 | 654 |
| 20 | 822 |
| 21 | 1074 |
| 22 | 1306 |
| 23 | 1638 |
| 24 | 2022 |
| 25 | 2514 |
| 26 | 3058 |
| 27 | 3798 |
| 28 | 4662 |
| 29 | 5658 |
| 30 | 6882 |
| 31 | 8358 |
| 32 | 10062 |
| 33 | 12186 |
| 34 | 14610 |
| 35 | 17534 |
| 36 | 21150 |
| 37 | 25146 |
| 38 | 29994 |
| 39 | 35694 |
| 40 | 42446 |
| 41 | 50178 |
| 42 | 59514 |
| 43 | 70110 |
| 44 | 82758 |
| 45 | 97602 |
| 46 | 114570 |
| 47 | 134262 |
[1,2,2,6,6,10,18,22,30,42,66,78,110,138,186,254, 318,402,522,654,822,1074,1306,1638,2022,2514,3058, 3798,4662,5658,6882,8358,10062,12186,14610,17534, 21150,25146,29994,35694,42446,50178,59514,70110, 82758,97602,114570,134262] |