27022

Appears in sequences

• a(n) is the number of terms in the expansion of (x+y+z)*(x^2+y^2+z^2)*(x^3+y^3+z^3)*...*(x^n+y^n+z^n).at n=20A086796
• 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, 1, -1), (1, 0, 1), (1, 1, 0), (1, 1, 1)}.at n=7A151215
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0011.at n=18A164408
• Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 1 vertically.at n=4A207344
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 1 vertically.at n=49A207346
• Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 1 vertically.at n=5A207349
• Numbers k such that 3^k - 8 is prime.at n=22A217135
• Number of Largest Hairpin Family matchings on n edges.at n=6A256331
• Expansion of Product_{k>=1} 1/(1 - x^(2*k+1))^(2*k+1).at n=29A263199