58464

Appears in sequences

• Number of exterior points formed by extending diagonals of n-gon in general position.at n=26A005701
• Expansion of e.g.f. sech(arcsin(x)*log(x+1)).at n=9A012315
• Number of loopless multigraphs with 7 nodes and n edges.at n=12A014397
• Theta series of lattice D3 tensor D3* (dimension 9, det. 262144, min. norm 6).at n=23A033694
• Number of derangements of n where minimal cycle size is at least 4.at n=9A047865
• Number of scalars which can be constructed from the Riemann tensor and metric tensor in n dimensions.at n=28A050297
• a(n+1) is the smallest number > a(n) such that the digits of a(n)^2 are all (with multiplicity) contained in the digits of a(n+1)^2, with a(0)=2.at n=23A067975
• Number of ways to change three non-identical letters in the word aabbccdd..., where there are n types of letters.at n=27A102860
• a(n) = n*(n-1)*(n-2)*(n+3)/12.at n=29A117662
• Expansion of 1/(1-x-x^3-x^6).at n=27A120415
• D'Agapeyeff cipher.at n=5A135209
• a(n) = 24*p(n) = 24*A000041(n).at n=26A183008
• Numbers with prime factorization pqr^2s^5.at n=27A190293
• a(n) = Pell(n)*A000143(n) for n>=1 with a(0)=1, where A000143(n) is the number of ways of writing n as a sum of 8 squares.at n=5A209444
• Triangle with entry a(n,m) giving the number of necklaces of n beads (C_N symmetry) with n colors available for each bead, but only m distinct fixed colors, say c[1],...,c[m], are present, with m from {1,...,n} and n>=1.at n=50A213934
• Number T(n,k) of n-length words w over a k-ary alphabet {a1, a2, ..., ak} such that #(w,a1) >= #(w,a2) >= ... >= #(w,ak) >= 1, where #(w,x) counts the letters x in word w; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.at n=50A226874
• Number of n-length words w over a 5-ary alphabet {a1,a2,...,a5} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a5) >= 1, where #(w,x) counts the letters x in word w.at n=4A226884
• Smallest number k such that k*n +/- 1, k*n^2 +/- 1, and k*n^3 +/- 1 are three sets of twin primes. a(n) = 0 if no such number exists.at n=24A239021
• Triangle corresponding to the partition array of the M_1 multinomials (A036038).at n=40A292222
• Expansion of Product_{k>=1} 1/(1 - x^k)^(p(k)-1), where p(k) = number of partitions of k (A000041).at n=20A304966