136141

Appears in sequences

• Expansion of 1/(sqrt(1-2x-3x^2)-x^2).at n=12A111962
• Absolute value of the numerator of Sum_{i=1..n} (-1)^i * i/prime(i).at n=6A120273
• 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), (1, -1, -1), (1, -1, 0), (1, 1, 1)}.at n=10A149511
• Numbers n with property that A062234(n) = A062234(n+1) = A062234(n+2) = A062234(n+3).at n=31A257892
• Numbers k such that (47*10^k + 493)/9 is prime.at n=22A295825