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RectangleForm | ||||||
1 | 1 | 1 | 1 | 1 | 1 | 1 |
0 | 1 | 3 | 6 | 10 | 15 | 21 |
0 | 1 | 6 | 20 | 50 | 105 | 196 |
0 | 1 | 10 | 50 | 175 | 490 | 1176 |
0 | 1 | 15 | 105 | 490 | 1764 | 5292 |
0 | 1 | 21 | 196 | 1176 | 5292 | 19404 |
0 | 1 | 28 | 336 | 2520 | 13860 | 60984 |
Fingerprint | ||||
SubSeqType | 0 | 1 | 2 | 3 |
Row | A000012 | A000217 | A002415 | A006857 |
Column | A000007 | A000012 | A000217 | A002415 |
DiagRow | A125558 | A000000 | A000000 | A000000 |
DiagColumn | A125558 | A000891 | A125558 | A000000 |
Characteristic | SUM | ALS | LCM | GCD |
Sequence | A000108 | A105523 | A000000 | A000000 |
Maple T11 := proc(n,k) binomial(n,k)*binomial(n-1,k)/(k+1) end:
TeX T_{11}(n,k) = \frac{1}{k+1} \binom{n}{k}\binom{n-1}{k}
ECT