| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 8 |
| 13 | 8 |
| 14 | 14 |
| 15 | 14 |
| 16 | 20 |
| 17 | 20 |
| 18 | 26 |
| 19 | 26 |
| 20 | 32 |
| 21 | 32 |
| 22 | 62 |
| 23 | 62 |
| 24 | 92 |
| 25 | 116 |
| 26 | 146 |
| 27 | 170 |
| 28 | 224 |
| 29 | 248 |
| 30 | 302 |
| 31 | 350 |
| 32 | 404 |
| 33 | 452 |
| 34 | 530 |
| 35 | 698 |
| 36 | 776 |
| 37 | 968 |
| 38 | 1166 |
| 39 | 1478 |
| 40 | 1700 |
| 41 | 2132 |
| 42 | 2474 |
| 43 | 3050 |
| 44 | 3512 |
| 45 | 4208 |
| 46 | 4814 |
| 47 | 5750 |
| 48 | 6476 |
| 49 | 7556 |
| 50 | 8522 |
| 51 | 10562 |
| 52 | 11672 |
| 53 | 13952 |
| 54 | 16022 |
| 55 | 19286 |
| 56 | 22316 |
| 57 | 26540 |
[1,0,0,0,2,2,2,2,2,2,2,8,8,14,14,20,20,26,26,32, 32,62,62,92,116,146,170,224,248,302,350,404,452, 530,698,776,968,1166,1478,1700,2132,2474,3050, 3512,4208,4814,5750,6476,7556,8522,10562,11672, 13952,16022,19286,22316,26540] |