54407

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, 1), (-1, 1, 0), (0, 1, 0), (1, -1, 1), (1, 0, -1)}.at n=10A148414
• Numbers 41*k such that 41*k+2 and 41*k-6 are both prime.at n=16A153822
• a(0) = a(1) = 1; a(n) = [x^n] Product_{k=1..n-1} 1/(1 - a(k)*x^a(k)).at n=27A300411