The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 15 |
| 1 | 52 |
| 2 | 120 |
| 3 | 244 |
| 4 | 442 |
| 5 | 750 |
| 6 | 1213 |
| 7 | 1887 |
| 8 | 2840 |
| 9 | 4168 |
| 10 | 5988 |
| 11 | 8441 |
| 12 | 11709 |
| 13 | 16009 |
| 14 | 21612 |
| 15 | 28853 |
| 16 | 38128 |
| 17 | 49915 |
| 18 | 64801 |
| 19 | 83473 |
| 20 | 106758 |
| 21 | 135645 |
| 22 | 171296 |
| 23 | 215082 |
| 24 | 268626 |
| 25 | 333826 |
| 26 | 412905 |
| 27 | 508469 |
| 28 | 623546 |
| 29 | 761653 |
| 30 | 926887 |
| 31 | 1123975 |
| 32 | 1358378 |
| 33 | 1636411 |
| 34 | 1965325 |
| 35 | 2353460 |
| 36 | 2810393 |
[15,52,120,244,442,750,1213,1887,2840,4168,5988, 8441,11709,16009,21612,28853,38128,49915,64801, 83473,106758,135645,171296,215082,268626,333826, 412905,508469,623546,761653,926887,1123975, 1358378,1636411,1965325,2353460,2810393] |