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A013978 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 10 |
| 3 | 20 |
| 4 | 40 |
| 5 | 75 |
| 6 | 130 |
| 7 | 179 |
| 8 | 283 |
| 9 | 383 |
| 10 | 513 |
| 11 | 678 |
| 12 | 883 |
| 13 | 1078 |
| 14 | 1372 |
| 15 | 1658 |
| 16 | 1994 |
| 17 | 2385 |
| 18 | 2836 |
| 19 | 3273 |
| 20 | 3853 |
| 21 | 4421 |
| 22 | 5059 |
| 23 | 5772 |
| 24 | 6565 |
| 25 | 7340 |
| 26 | 8302 |
| 27 | 9248 |
| 28 | 10284 |
| 29 | 11415 |
| 30 | 12646 |
| 31 | 13855 |
| 32 | 15295 |
| 33 | 16715 |
| 34 | 18245 |
| 35 | 19890 |
[1,0,10,20,40,75,130,179,283,383,513,678,883,1078, 1372,1658,1994,2385,2836,3273,3853,4421,5059,5772, 6565,7340,8302,9248,10284,11415,12646,13855,15295, 16715,18245,19890] |