2083371
domain: N
Appears in sequences
- a(n) = sum of the first n coefficients of (1+x+x^2)^n.at n=13A055217
- Number of 0..2 arrays of length n+13 with sum less than 14 in any length 14 subsequence (=less than 50% duty cycle).at n=0A212728
- T(n,k)=Number of 0..2 arrays of length n+2*k-1 with sum less than 2*k in any length 2k subsequence (=less than 50% duty cycle).at n=21A212729
- Number of 0..2 arrays of length 2*n with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle).at n=6A212730