23984

Appears in sequences

• Multiplicity of highest weight (or singular) vectors associated with character chi_10 of Monster module.at n=43A034398
• Rectangular array: (row n) = b**c, where b(h) = h, c(h) = binomial(2*n-4+2*h,n-2+h), n>=1, h>=1, and ** = convolution.at n=39A213853
• Square array read by antidiagonals: T(m,n) = number of ways of creating a closed, simple loop on an m X n rectangular lattice.at n=30A231829
• Square array read by antidiagonals: T(m,n) = number of ways of creating a closed, simple loop on an m X n rectangular lattice.at n=33A231829
• Number of cycles in the grid graph P_4 X P_{n+1}.at n=5A288637
• Even integers k such that lambda(sum of even divisors of k) = sum of odd divisors of k.at n=30A293356
• Numbers k such that (754*10^k - 7)/9 is prime.at n=19A294634
• a(n) is the number of perfect matchings in the circulant graph on 2*n vertices with jumps 1, 2, and 3.at n=10A323709
• Number of cycles in the grid graph P_7 X P_n.at n=2A339119
• Number of edges formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts.at n=26A355948