25605

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 64.at n=4A031742
• Position where n (presumably) appears the last time in A107261, or 0 if n keeps appearing.at n=28A107262
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 0), (-1, 1), (0, 1), (1, -1), (1, 0)}.at n=9A151451
• a(n) = 25*n^2 + 5.at n=31A158445
• The number of distinct positions on an infinite chessboard reachable by the (2,3)-leaper (or zebra) in at most n moves.at n=28A297740
• G.f. A(x) satisfies: 0 = Sum_{n=-oo..+oo} x^(n^2) * (x^n - (-1)^n*A(x))^(n+1).at n=8A355152