81489

Appears in sequences

• Glaisher's function H'(4n+1) (18 squares version).at n=27A002610
• a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 3.at n=16A049957
• Number of parking functions of size n avoiding the patterns 132 and 321.at n=9A362595