27123

Appears in sequences

• Number of base 15 n-digit numbers with adjacent digits differing by one or less.at n=8A126369
• Numbers whose trajectory under the Esucarys map ends at the fixed point 247.at n=30A129133
• Number of n X 8 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally.at n=13A188865
• G.f.: (1+x)^(2*g)*(1+x^3)^(3*g)/((1-x^2)*(1-x^4))-x^(2*g)*(1+x)^4/((1-x^2)*(1-x^4)) for g=3.at n=20A199629
• Expansion of 1/(1 - x - x^2 + x^10 - x^12).at n=22A225396