42933

Appears in sequences

• G.f.: x^2/((1-x^2)^2*Product_{i>0}(1-x^i)).at n=31A103650
• 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, 0, 1), (-1, 1, 1), (1, 0, -1), (1, 0, 1)}.at n=9A149304
• a(n)=a(n-1)+2*a(n-2)-[a(n-1)/2]-[a(n-4)/2]-[a(n-5)/2].at n=23A173534
• Numbers k such that (17*10^k - 77)/3 is prime.at n=29A273371