118138

Appears in sequences

• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, -1), (1, 1)}.at n=11A151270
• Number of dying nodes (withering branches) at generation n in the binary tree of persistently squarefree numbers (A293230).at n=46A293520
• Race of lucky numbers of the form 4*k - 1 vs. 4*k + 1 is tied at the a(n)-th lucky number.at n=34A330359