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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 9 |
| 5 | 17 |
| 6 | 29 |
| 7 | 49 |
| 8 | 78 |
| 9 | 124 |
| 10 | 190 |
| 11 | 288 |
| 12 | 427 |
| 13 | 627 |
| 14 | 905 |
| 15 | 1296 |
| 16 | 1831 |
| 17 | 2567 |
| 18 | 3563 |
| 19 | 4910 |
| 20 | 6709 |
| 21 | 9112 |
| 22 | 12286 |
| 23 | 16473 |
| 24 | 21953 |
| 25 | 29108 |
| 26 | 38388 |
| 27 | 50398 |
| 28 | 65850 |
| 29 | 85683 |
| 30 | 111020 |
| 31 | 143302 |
| 32 | 184263 |
| 33 | 236113 |
| 34 | 301498 |
| 35 | 383757 |
| 36 | 486909 |
| 37 | 615955 |
| 38 | 776921 |
| 39 | 977263 |
| 40 | 1225934 |
| 41 | 1533945 |
[0,1,2,5,9,17,29,49,78,124,190,288,427,627,905, 1296,1831,2567,3563,4910,6709,9112,12286,16473, 21953,29108,38388,50398,65850,85683,111020,143302, 184263,236113,301498,383757,486909,615955,776921, 977263,1225934,1533945] |