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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 6 |
| 9 | 9 |
| 10 | 9 |
| 11 | 9 |
| 12 | 13 |
| 13 | 19 |
| 14 | 19 |
| 15 | 19 |
| 16 | 28 |
| 17 | 37 |
| 18 | 43 |
| 19 | 43 |
| 20 | 57 |
| 21 | 69 |
| 22 | 81 |
| 23 | 81 |
| 24 | 100 |
| 25 | 132 |
| 26 | 150 |
| 27 | 160 |
| 28 | 184 |
| 29 | 236 |
| 30 | 260 |
| 31 | 280 |
| 32 | 319 |
| 33 | 391 |
| 34 | 460 |
| 35 | 490 |
| 36 | 565 |
| 37 | 657 |
| 38 | 771 |
| 39 | 811 |
| 40 | 922 |
| 41 | 1084 |
| 42 | 1243 |
| 43 | 1363 |
| 44 | 1510 |
| 45 | 1781 |
| 46 | 1985 |
| 47 | 2185 |
| 48 | 2388 |
| 49 | 2775 |
| 50 | 3159 |
| 51 | 3439 |
| 52 | 3832 |
| 53 | 4335 |
| 54 | 4963 |
| 55 | 5323 |
[1,1,1,1,3,3,3,3,6,9,9,9,13,19,19,19,28,37,43,43, 57,69,81,81,100,132,150,160,184,236,260,280,319, 391,460,490,565,657,771,811,922,1084,1243,1363, 1510,1781,1985,2185,2388,2775,3159,3439,3832,4335, 4963,5323] |