26985675

Appears in sequences

• Expansion of 1/((1-x)^5 - x^5).at n=23A049016
• Expansion of (1-x)/((1-2x)(1+x-x^2)).at n=26A052964
• Expansion of (1-4*x+2*x^2)/(1-7*x+13*x^2-4*x^3).at n=13A078789
• Inverse binomial transform of Fibonacci oblongs.at n=27A084178
• a(n) = Sum_{ k >= 0} binomial(n,5*k+3).at n=27A139748
• a(n) = Sum_{k >= 0} binomial(n,5*k+4).at n=27A139761
• a(n) = Sum_{k == floor(n/2) (mod 5)} C(n,k).at n=27A173125