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A061784 as a simple table
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 7 |
| 8 | 11 |
| 9 | 16 |
| 10 | 22 |
| 11 | 27 |
| 12 | 34 |
| 13 | 41 |
| 14 | 51 |
| 15 | 61 |
| 16 | 73 |
| 17 | 86 |
| 18 | 96 |
| 19 | 110 |
| 20 | 124 |
| 21 | 140 |
| 22 | 158 |
| 23 | 175 |
| 24 | 193 |
| 25 | 211 |
| 26 | 231 |
| 27 | 252 |
| 28 | 275 |
| 29 | 299 |
| 30 | 325 |
| 31 | 348 |
| 32 | 374 |
| 33 | 401 |
| 34 | 427 |
| 35 | 456 |
| 36 | 486 |
| 37 | 516 |
| 38 | 549 |
| 39 | 581 |
| 40 | 615 |
| 41 | 650 |
| 42 | 684 |
| 43 | 722 |
| 44 | 759 |
| 45 | 798 |
| 46 | 839 |
| 47 | 879 |
| 48 | 921 |
| 49 | 961 |
| 50 | 1005 |
| 51 | 1048 |
| 52 | 1095 |
| 53 | 1142 |
| 54 | 1189 |
| 55 | 1238 |
[0,0,0,1,2,4,7,11,16,22,27,34,41,51,61,73,86,96, 110,124,140,158,175,193,211,231,252,275,299,325, 348,374,401,427,456,486,516,549,581,615,650,684, 722,759,798,839,879,921,961,1005,1048,1095,1142, 1189,1238] |