60129542144domain: NAppears in sequencesFirst differences of 8^n (A001018).at n=12A055274Number of palindromes of length n (in base 8).at n=22A117860Number of palindromes of length n (in base 8).at n=23A117860a(n) = 8*a(n-2), with a(0) = 7, a(1) = 14.at n=22A135536Triangle T(n,k) = k^n * sum(binomial(n,n-k-j),j=0..n-k).at n=63A215079