28420

Appears in sequences

• Consider all Pythagorean triples (Y-7,Y,Z); sequence gives Y values.at n=16A076295
• a(n) = n^2*(n+1)*(2*n+1)/3.at n=13A098077
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 5*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.at n=25A367299
• Number of integer partitions of n that cannot be partitioned into constant multisets with distinct block-sums.at n=48A381717