188188

Appears in sequences

• Number of reversible strings with n-1 beads of 2 colors. 6 beads are black. Strings are not palindromic.at n=21A032093
• Diagonal T(n,n-2) of triangle in A071951.at n=10A071953
• Irregular triangle: the coefficient [x^k] of the polynomial (1-x)^(2*n-1) * Sum_{s>=0} A001263(n+2*s,2*s+1)*x^s in row n >= 1 and column k >= 0.at n=31A178657
• Irregular triangle: the coefficient [x^k] of the polynomial (1-x)^(2*n-1) * Sum_{s>=0} A001263(n+2*s,2*s+1)*x^s in row n >= 1 and column k >= 0.at n=32A178657
• Six-digit exclusionary cubes: 6-digit numbers whose cubes comprise digits none of which appears in the number itself.at n=7A195363
• Number of n-element subsets of [n+6] having an even sum.at n=22A282082