141147

Appears in sequences

• a(n) = number of solutions to the Diophantine equation x+y^2+z^3=n^4 with positive x,y,z all distinct.at n=36A121984
• Number of Poulet numbers (or pseudoprimes to base 2, A001567) less than 2^n.at n=40A208276
• Number of inversion sequences of length n avoiding the consecutive patterns 010, 021, 120, and 210.at n=10A328431
• The number of vertices on a nonagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=4A332428