The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 1 |
| 5 | 4 |
| 6 | 12 |
| 7 | 1 |
| 8 | 4 |
| 9 | 16 |
| 10 | 40 |
| 11 | 1 |
| 12 | 4 |
| 13 | 20 |
| 14 | 64 |
| 15 | 128 |
| 16 | 1 |
| 17 | 4 |
| 18 | 24 |
| 19 | 88 |
| 20 | 240 |
| 21 | 416 |
| 22 | 1 |
| 23 | 4 |
| 24 | 28 |
| 25 | 112 |
| 26 | 368 |
| 27 | 896 |
| 28 | 1344 |
| 29 | 1 |
| 30 | 4 |
| 31 | 32 |
| 32 | 136 |
| 33 | 512 |
| 34 | 1504 |
| 35 | 3264 |
| 36 | 4352 |
| 37 | 1 |
| 38 | 4 |
| 39 | 36 |
| 40 | 160 |
| 41 | 672 |
| 42 | 2240 |
| 43 | 5952 |
| 44 | 11776 |
| 45 | 14080 |
| 46 | 1 |
| 47 | 4 |
| 48 | 40 |
| 49 | 184 |
| 50 | 848 |
| 51 | 3104 |
| 52 | 9472 |
| 53 | 23168 |
| 54 | 41984 |
| 55 | 45568 |
| 56 | 1 |
| 57 | 4 |
| 58 | 44 |
[1,1,4,1,4,12,1,4,16,40,1,4,20,64,128,1,4,24,88, 240,416,1,4,28,112,368,896,1344,1,4,32,136,512, 1504,3264,4352,1,4,36,160,672,2240,5952,11776, 14080,1,4,40,184,848,3104,9472,23168,41984,45568, 1,4,44] |