The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 12 |
| 4 | 15 |
| 5 | 20 |
| 6 | 27 |
| 7 | 33 |
| 8 | 36 |
| 9 | 59 |
| 10 | 69 |
| 11 | 91 |
| 12 | 152 |
| 13 | 207 |
| 14 | 223 |
| 15 | 232 |
| 16 | 264 |
| 17 | 336 |
| 18 | 340 |
| 19 | 380 |
| 20 | 381 |
| 21 | 492 |
| 22 | 533 |
| 23 | 540 |
| 24 | 547 |
| 25 | 549 |
| 26 | 585 |
| 27 | 615 |
| 28 | 624 |
| 29 | 627 |
| 30 | 720 |
| 31 | 773 |
| 32 | 1009 |
| 33 | 1287 |
| 34 | 1320 |
| 35 | 1428 |
| 36 | 1537 |
| 37 | 1823 |
| 38 | 2093 |
| 39 | 2401 |
| 40 | 2724 |
| 41 | 2733 |
| 42 | 2804 |
| 43 | 2920 |
| 44 | 3316 |
| 45 | 3803 |
| 46 | 4124 |
| 47 | 4132 |
| 48 | 4620 |
| 49 | 7143 |
| 50 | 7520 |
| 51 | 7708 |
[3,9,12,15,20,27,33,36,59,69,91,152,207,223,232, 264,336,340,380,381,492,533,540,547,549,585,615, 624,627,720,773,1009,1287,1320,1428,1537,1823, 2093,2401,2724,2733,2804,2920,3316,3803,4124,4132, 4620,7143,7520,7708] |