720719

Appears in sequences

• Smallest nonnegative number m such that m == i (mod i+1) for all 1 <= i <= n.at n=15A070198
• Final term of n-th row of triangle in A079784.at n=15A079782
• First column of A083798.at n=16A083800
• a(n) = A126098(n) - 1.at n=30A117010
• Smallest positive number m such that m == i (mod i+1) for all 1<=i<=n.at n=15A121934
• The distinct values of A070198.at n=10A208768
• a(n) is the least k such that there are exactly n numbers i with A075254(i) = k.at n=24A346378
• Numbers k achieving record deficiency via a residue-based measure, M(k) = (k+1)*(1 - zeta(2)/2) - 1 - ( Sum_{j=1..k} k mod j )/k.at n=22A362082
• Numbers k such that, via a residue based measure M(k) (see Comments), k is deficient, k+1 is abundant, and abs(M(k)) + abs(M(k+1)) reaches a new maximum.at n=24A362083