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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 1 |
| 13 | 2 |
| 14 | 5 |
| 15 | 6 |
| 16 | 10 |
| 17 | 14 |
| 18 | 19 |
| 19 | 26 |
| 20 | 33 |
| 21 | 43 |
| 22 | 54 |
| 23 | 68 |
| 24 | 87 |
| 25 | 106 |
| 26 | 129 |
| 27 | 157 |
| 28 | 187 |
| 29 | 226 |
| 30 | 269 |
| 31 | 319 |
| 32 | 378 |
| 33 | 445 |
| 34 | 521 |
| 35 | 610 |
| 36 | 712 |
| 37 | 825 |
| 38 | 952 |
| 39 | 1099 |
| 40 | 1261 |
| 41 | 1443 |
| 42 | 1655 |
| 43 | 1889 |
| 44 | 2148 |
| 45 | 2440 |
| 46 | 2769 |
| 47 | 3135 |
| 48 | 3542 |
| 49 | 4000 |
| 50 | 4494 |
| 51 | 5049 |
| 52 | 5661 |
| 53 | 6346 |
| 54 | 7099 |
| 55 | 7938 |
| 56 | 8857 |
| 57 | 9862 |
| 58 | 10972 |
| 59 | 12190 |
| 60 | 13532 |
| 61 | 15000 |
| 62 | 16611 |
| 63 | 18366 |
[0,0,0,0,0,0,0,0,0,0,0,1,2,5,6,10,14,19,26,33,43, 54,68,87,106,129,157,187,226,269,319,378,445,521, 610,712,825,952,1099,1261,1443,1655,1889,2148, 2440,2769,3135,3542,4000,4494,5049,5661,6346,7099, 7938,8857,9862,10972,12190,13532,15000,16611, 18366] |