58383

Appears in sequences

• Numbers k such that sum_{i=1..k} d(i)^2 is a square c^2, where d(i) is the number of divisors of i.at n=21A186429
• Minimum value unattainable as the sum of 4 attained values of a*b*c with a,b,c 0..n integers.at n=25A225266
• Number of n X 2 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=12A240266
• Number of sets of exactly five positive integers <= n having a square element sum.at n=40A281865