67015
domain: N
Appears in sequences
- a(n) = a(n-1)+ a(round(2*(n-1)/3)) +a(round((n-1)/3)) starting a(1)=1.at n=44A033498
- The number of walks (sequences starting with 0 and changing by plus or minus 1 at each step) of length 4n such that every window therein of width 2n has its left half summing to strictly less than its right half.at n=4A180722
- Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first differences in -n..n.at n=19A208996