100807
domain: N
Appears in sequences
- Number of nX3 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=5A278380
- Number of nX6 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=2A278383
- T(n,k)=Number of nXk 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=30A278385
- T(n,k)=Number of nXk 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=33A278385
- Semiprimes m = p*q where m, p and q are in A033638 (locations of right angle turns in Ulam square spiral).at n=13A331997