26525

Appears in sequences

• Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 1 (mod 3).at n=54A035537
• Numerators of continued fraction convergents to sqrt(34).at n=8A041056
• Matrix inverse of Euler's triangle A008292.at n=16A055325
• a(n) = T(n,n-5), array T as in A055801.at n=39A055805
• a(n) = n * [1 + sum(k=1 to n) prime(k)].at n=25A083725
• Number of 4k+3 primes whose Legendre-vector is not Dyck-path (A095103) in range ]2^n,2^(n+1)].at n=19A095093
• Numbers k such that 1 + (x + x^3 + x^5 + x^7 + ... + x^(2*k+1)) is irreducible over GF(2).at n=33A107220
• Triangle read by rows: T(n, k) = Sum_{j=0..k} (-1)^j*binomial(n, j)*(k + 1 - j)^(n - 1).at n=16A162498
• Number of permutations of length n which avoid the patterns 321 and 1324.at n=20A179257
• Number of unlabeled simple graphs with n nodes that are Hamiltonian and Eulerian.at n=9A243272
• Number of Carlitz compositions of n that either have length 1, or have length greater than or equal to 2 and are palindromic if we exclude the first part.at n=34A291941
• Number of legal Go positions on a board which is an n-cycle graph.at n=9A327821