32154

Appears in sequences

• a(n) = n*(n + 1)*(n^2 - 3*n + 6)/8.at n=22A004255
• Molien series for 9-dimensional group of structure Z_2 X Z_2 and order 4, corresponding to complete weight enumerators of Hermitian self-dual GF(3)-linear codes over GF(9).at n=12A092091
• Duplicate of A004255.at n=23A101357
• Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=27A104972
• Riordan's general Eulerian recursion: T(n,k) = (k+2)*T(n-1, k) + (n-k) * T(n-1, k-1), with T(n,0) = 1, T(n,n) = 0.at n=40A157012
• Number of permutations of 4 copies of 1..n avoiding adjacent step pattern up, down, up, down, down.at n=2A177651
• Integers n such that 2n^2+1, 2n^3+1 and 2n^4+1 are prime.at n=27A239920
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 585", based on the 5-celled von Neumann neighborhood.at n=32A273075
• Products of four distinct primes between sphenic numbers (products of 3 distinct primes).at n=30A351382