The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 16 |
| 4 | 33 |
| 5 | 62 |
| 6 | 108 |
| 7 | 177 |
| 8 | 276 |
| 9 | 413 |
| 10 | 597 |
| 11 | 838 |
| 12 | 1147 |
| 13 | 1536 |
| 14 | 2018 |
| 15 | 2607 |
| 16 | 3318 |
| 17 | 4167 |
| 18 | 5171 |
| 19 | 6348 |
| 20 | 7717 |
| 21 | 9298 |
| 22 | 11112 |
| 23 | 13181 |
| 24 | 15528 |
| 25 | 18177 |
| 26 | 21153 |
| 27 | 24482 |
| 28 | 28191 |
| 29 | 32308 |
| 30 | 36862 |
| 31 | 41883 |
| 32 | 47402 |
| 33 | 53451 |
| 34 | 60063 |
| 35 | 67272 |
| 36 | 75113 |
| 37 | 83622 |
| 38 | 92836 |
| 39 | 102793 |
| 40 | 113532 |
| 41 | 125093 |
[3,7,16,33,62,108,177,276,413,597,838,1147,1536, 2018,2607,3318,4167,5171,6348,7717,9298,11112, 13181,15528,18177,21153,24482,28191,32308,36862, 41883,47402,53451,60063,67272,75113,83622,92836, 102793,113532,125093] |