1327095

Appears in sequences

• Triangle read by rows: coefficients of expansion in powers of x of the polynomials defined by p(n, x) = (2*n - 1)*p(n - 1, x) + (n - 1)^2*x^2*p(n - 2, x).at n=41A123244
• a(n) is the number of all three-color bracelets (necklaces with turning over allowed) with n beads and the three colors are from a repertoire of n distinct colors, for n >= 3.at n=8A214310
• Odd numbers k for which gcd(A325977(k), A325978(k)) is equal to abs(A325978(k)).at n=20A325979
• Numbers k such that A162296(k) = A162296(k+1) > 0.at n=17A362400