22496

Appears in sequences

• Numbers k that divide the (left) concatenation of all numbers <= k written in base 23 (most significant digit on left).at n=22A029492
• Unbranched mono-5-catapolyheptagons.at n=7A038175
• a(n) = n*2^n - 2^(n/2)*sin(Pi*n/4).at n=11A099855
• Number of compositions of n with no part greater than 3 such that no two adjacent parts are equal.at n=29A155822
• Half the difference between the larger and smaller term of the n-th amicable pair.at n=41A162884
• Let b(n,0) = n and b(n,k) = 2*b(n,k-1) + 1 for k > 0. Then a(n) = b(n,1) + b(n,2) + ... + b(n,n).at n=9A190730
• (n-1)-st elementary symmetric function of {2,8,26,80,242,...,-1+3^n}.at n=3A203149
• Triangular array read by rows. T(n,k) is the number of sets of exactly k distinct binary words with a total of n letters.at n=42A208741
• Number of (w,x,y) with all terms in {0,...,n} and w != x and x < range(w,x,y).at n=37A212970
• Numbers which are representable as a sum of nineteen but no fewer consecutive nonnegative integers.at n=25A270303
• Numbers n with the property that k*n and (k+1)*n have a common nonzero digit for all k.at n=32A308466
• Nonunitary near-perfect numbers: k such that nusigma(k) = k + d where d is a nonunitary divisor of k.at n=22A362969
• Primitive terms of A388028.at n=46A388030