39977

Appears in sequences

• 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, -1, 1), (1, 1, -1)}.at n=9A149021
• G.f.: 1/( (1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - ...))))) * (1 + x/(1 + x^2/(1 + x^3/(1 + x^4/(1 + ...))))) ), a continued fraction.at n=22A285637
• Number of equivalence classes of length n squarefree reduced words over {0, 1, 2, 3} under action of renaming symbols.at n=28A343484
• Numbers k such that gcd(2*k^7+1, 3*k^3+2) > 1.at n=34A369153