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A253218 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 19 |
| 5 | 102 |
| 6 | 263 |
| 7 | 504 |
| 8 | 825 |
| 9 | 1226 |
| 10 | 1707 |
| 11 | 2268 |
| 12 | 2909 |
| 13 | 3630 |
| 14 | 4431 |
| 15 | 5312 |
| 16 | 6273 |
| 17 | 7314 |
| 18 | 8435 |
| 19 | 9636 |
| 20 | 10917 |
| 21 | 12278 |
| 22 | 13719 |
| 23 | 15240 |
| 24 | 16841 |
| 25 | 18522 |
| 26 | 20283 |
| 27 | 22124 |
| 28 | 24045 |
| 29 | 26046 |
| 30 | 28127 |
| 31 | 30288 |
| 32 | 32529 |
| 33 | 34850 |
| 34 | 37251 |
| 35 | 39732 |
| 36 | 42293 |
| 37 | 44934 |
| 38 | 47655 |
| 39 | 50456 |
| 40 | 53337 |
| 41 | 56298 |
[1,1,1,19,102,263,504,825,1226,1707,2268,2909, 3630,4431,5312,6273,7314,8435,9636,10917,12278, 13719,15240,16841,18522,20283,22124,24045,26046, 28127,30288,32529,34850,37251,39732,42293,44934, 47655,50456,53337,56298] |