71136

Appears in sequences

• a(n) = T(n,n-3), array T as in A050143.at n=6A050149
• a(n) = T(2*n+3,n), array T as in A055807.at n=6A055815
• Numbers n for which there are exactly seven k such that n = k + (product of nonzero digits of k).at n=11A096928
• Triangle G(n,k) read by rows: number of order-preserving partial transformations (of an n-element totally ordered set) of waist k (waist(alpha) = max(Im(alpha))).at n=51A111516
• G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) * (1-x^27) * (1-x^30) * (1-x^33) * (1-x^36) / (1-x)^12.at n=8A162629
• Theta series of extremal lattice of dimension 14, level 7 and minimal norm 6.at n=7A169719
• Number of arrangements of n bishops such that every square of the board is controlled by at least one bishop.at n=8A182333
• Imbalance of the sum of parts of all partitions of n.at n=36A194797
• Numbers m such that b^sigma(m) == b^phi(m) == b^numdiv(m) == b^m (mod m) for every integer b.at n=38A277173
• Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k.at n=27A280935
• Numbers k such that sigma(sigma(k^4)) == 0 (mod k^2).at n=29A320425
• The number of n-step self avoiding walks on a 3D cubic lattice confined inside a box of size 2x2x2 where the walk starts at the center of the box.at n=11A337021
• Numbers k such that A011772(k) > A344878(k) and A011772(k) is a divisor of A344875(k).at n=28A344595