182525

Appears in sequences

• Expansion of (5 + 3*x + x^2 - x^3) / (1 - 2*x - 2*x^2 - 2*x^3 + x^4) in powers of x.at n=10A071100
• Least m such that A(m) = -10^n, where A(n) = sigma(n) - 2n, the abundance of n.at n=5A075767
• Small-number statistic from the enumeration of domino tilings of a 3-pillow of order n.at n=22A112835
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (0, 1, -1), (1, 0, -1), (1, 0, 0)}.at n=12A148302
• Expansion of x * (1 + x) * (1 - x^2) * (1 + x^3) / (1 - 2*x^2 - 2*x^4 - 2*x^6 + x^8) in powers of x.at n=25A206625
• Composite numbers which contain their sum of aliquot parts as a substring.at n=35A225417
• a(n) = (4*n+9)*n^2.at n=35A258618
• a(n) = n^2 * prime(n).at n=34A356868