23301

Appears in sequences

• Number of compositions (ordered partitions) of n into squares.at n=31A006456
• a(n) = Sum_{d|n} d^2*2^(d-1)*(n/d-1) for n > 0.at n=18A077272
• a(n) = (4*n^3 + 12*n^2 - 4*n + 3)/3.at n=25A322594
• Expansion of (theta_3(x) - 1)^2 / (2 * (3 - theta_3(x))).at n=29A347805
• Expansion of (theta_3(x) - 1)^3 / (4 * (3 - theta_3(x))).at n=28A347806
• Expansion of (theta_3(x) - 1)^4 / (8 * (3 - theta_3(x))).at n=27A347807
• G.f. A(x) satisfies: A(x) = 1 / ((1 + x) * (1 - x * A(x)^4)).at n=8A349300