33408

Appears in sequences

• Poincaré series [or Poincare series] of Lie algebra associated with a certain braid group.at n=17A007993
• Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 91.at n=35A031589
• Numerators of the BG1[ -5,n] coefficients of the BG1 matrix.at n=4A162443
• Numbers with prime factorization pq^2r^7.at n=11A190466
• Numbers k such that 2^(k-1)+2*k-1 is a prime number.at n=16A192764
• Number of n-variations of the set {1,2,...,n+1} satisfying p(i)-i in {-2,0,2}, i=1..n (an n-variation of the set N_{n+s} = {1,2,...,n+s} is any 1-to-1 mapping p from the set N_n = {1,2,...,n} into N_{n+s} = {1,2,...,n+s}).at n=21A217694
• Integer areas A of the integer-sided triangles such that the product of the inradius and the circumradius is a square.at n=37A232329
• a(n) = 2^(n-1)*(2^n+5).at n=8A256873
• Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 0,2 1,0 or -1,-2.at n=2A264362
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,0 0,2 1,0 or -1,-2.at n=30A264364
• Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,0 0,2 1,0 or -1,-2.at n=5A264367
• Ordered product of the terms in a primitive Pythagorean quadruple (with repetitions).at n=31A367737