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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 9 |
| 3 | 13 |
| 4 | 19 |
| 5 | 24 |
| 6 | 31 |
| 7 | 37 |
| 8 | 45 |
| 9 | 52 |
| 10 | 61 |
| 11 | 69 |
| 12 | 79 |
| 13 | 88 |
| 14 | 99 |
| 15 | 109 |
| 16 | 121 |
| 17 | 132 |
| 18 | 145 |
| 19 | 157 |
| 20 | 171 |
| 21 | 184 |
| 22 | 199 |
| 23 | 213 |
| 24 | 229 |
| 25 | 244 |
| 26 | 261 |
| 27 | 277 |
| 28 | 295 |
| 29 | 312 |
| 30 | 331 |
| 31 | 349 |
| 32 | 369 |
| 33 | 388 |
| 34 | 409 |
| 35 | 429 |
| 36 | 451 |
| 37 | 472 |
| 38 | 495 |
| 39 | 517 |
| 40 | 541 |
| 41 | 564 |
| 42 | 589 |
| 43 | 613 |
| 44 | 639 |
| 45 | 664 |
| 46 | 691 |
| 47 | 717 |
| 48 | 745 |
| 49 | 772 |
| 50 | 801 |
| 51 | 829 |
| 52 | 859 |
| 53 | 888 |
| 54 | 919 |
[1,4,9,13,19,24,31,37,45,52,61,69,79,88,99,109, 121,132,145,157,171,184,199,213,229,244,261,277, 295,312,331,349,369,388,409,429,451,472,495,517, 541,564,589,613,639,664,691,717,745,772,801,829, 859,888,919] |