The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 4 |
| 5 | 6 |
| 6 | 1 |
| 7 | 10 |
| 8 | 18 |
| 9 | 24 |
| 10 | 1 |
| 11 | 34 |
| 12 | 64 |
| 13 | 94 |
| 14 | 118 |
| 15 | 1 |
| 16 | 152 |
| 17 | 278 |
| 18 | 414 |
| 19 | 556 |
| 20 | 674 |
| 21 | 1 |
| 22 | 826 |
| 23 | 1438 |
| 24 | 2096 |
| 25 | 2842 |
| 26 | 3634 |
| 27 | 4308 |
| 28 | 1 |
| 29 | 5134 |
| 30 | 8528 |
| 31 | 12046 |
| 32 | 16110 |
| 33 | 20772 |
| 34 | 25754 |
| 35 | 30062 |
| 36 | 1 |
| 37 | 35196 |
| 38 | 56202 |
| 39 | 76978 |
| 40 | 100788 |
| 41 | 128750 |
| 42 | 160834 |
| 43 | 195204 |
| 44 | 225266 |
| 45 | 1 |
| 46 | 260462 |
| 47 | 402638 |
| 48 | 536728 |
| 49 | 687578 |
| 50 | 864906 |
| 51 | 1073180 |
| 52 | 1311370 |
| 53 | 1566698 |
| 54 | 1791964 |
[1,1,2,1,4,6,1,10,18,24,1,34,64,94,118,1,152,278, 414,556,674,1,826,1438,2096,2842,3634,4308,1,5134, 8528,12046,16110,20772,25754,30062,1,35196,56202, 76978,100788,128750,160834,195204,225266,1,260462, 402638,536728,687578,864906,1073180,1311370, 1566698,1791964] |