26883

Appears in sequences

• Number of length 3 walks on an n-dimensional hypercubic lattice starting at the origin and staying in the nonnegative part.at n=29A064043
• Odd composites (including 1 in the count) where the number 3 mod 4 equals the number 1 mod 4.at n=7A093181
• Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 6 and (n+7) mod 9 <> 1.at n=21A096025
• Expansion of Product_{k>=0} 1/(1 - x^(3*k+1))^2.at n=44A261616
• a(n) = n*(67*n - 89)/2.at n=29A263227