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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 16 |
| 9 | 25 |
| 10 | 35 |
| 11 | 48 |
| 12 | 68 |
| 13 | 92 |
| 14 | 123 |
| 15 | 164 |
| 16 | 216 |
| 17 | 282 |
| 18 | 367 |
| 19 | 471 |
| 20 | 604 |
| 21 | 769 |
| 22 | 975 |
| 23 | 1225 |
| 24 | 1542 |
| 25 | 1924 |
| 26 | 2395 |
| 27 | 2968 |
| 28 | 3669 |
| 29 | 4514 |
| 30 | 5547 |
| 31 | 6781 |
| 32 | 8280 |
| 33 | 10071 |
| 34 | 12229 |
| 35 | 14796 |
| 36 | 17881 |
| 37 | 21537 |
| 38 | 25902 |
| 39 | 31066 |
| 40 | 37206 |
| 41 | 44443 |
| 42 | 53021 |
| 43 | 63098 |
| 44 | 74995 |
| 45 | 88946 |
| 46 | 105350 |
| 47 | 124533 |
[0,0,1,2,4,7,11,16,25,35,48,68,92,123,164,216,282, 367,471,604,769,975,1225,1542,1924,2395,2968,3669, 4514,5547,6781,8280,10071,12229,14796,17881,21537, 25902,31066,37206,44443,53021,63098,74995,88946, 105350,124533] |