The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 101 |
| 2 | 401 |
| 3 | 901 |
| 4 | 1601 |
| 5 | 2501 |
| 6 | 3601 |
| 7 | 4901 |
| 8 | 6401 |
| 9 | 8101 |
| 10 | 10001 |
| 11 | 12101 |
| 12 | 14401 |
| 13 | 16901 |
| 14 | 19601 |
| 15 | 22501 |
| 16 | 25601 |
| 17 | 28901 |
| 18 | 32401 |
| 19 | 36101 |
| 20 | 40001 |
| 21 | 44101 |
| 22 | 48401 |
| 23 | 52901 |
| 24 | 57601 |
| 25 | 62501 |
| 26 | 67601 |
| 27 | 72901 |
| 28 | 78401 |
| 29 | 84101 |
| 30 | 90001 |
| 31 | 96101 |
| 32 | 102401 |
| 33 | 108901 |
[1,101,401,901,1601,2501,3601,4901,6401,8101, 10001,12101,14401,16901,19601,22501,25601,28901, 32401,36101,40001,44101,48401,52901,57601,62501, 67601,72901,78401,84101,90001,96101,102401,108901] |