245272

Appears in sequences

• Least positive unitary linear combination of distinct numbers in row n of Pascal's triangle; i.e., least positive sum of form d(0)C(n-1,0) + d(1)C(n-1,1) + ...+ d(m)C(n-1,m), d(i)=+-1, m = floor((n+1)/2).at n=37A004795
• Values of i such that phi(x) = 4i+2 has 4 solutions.at n=19A051479