1105920

Appears in sequences

• a(n) = n*(n+3)*2^(n-3).at n=14A001793
• Coefficients of Chebyshev polynomials: n*(2*n-3)*2^(2*n-5).at n=7A002698
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*12^j.at n=18A038290
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*8^j.at n=17A038334
• a(n) = 2^(n-3)*n^2*(n+3).at n=12A058645
• Shifts left when MASKCONVolved with itself.at n=15A062177
• 17-almost primes (generalization of semiprimes).at n=16A069278
• Greatest common divisor of multiperfect numbers and their totient.at n=23A098204
• a(n) = n-th n-almost prime.at n=16A101695
• a(n) = A092287(n)/A129364(n).at n=17A129365
• a(n) = A092287(n)/A129364(n).at n=18A129365
• Number of divisors of A138113(n).at n=26A140410
• Row sums of the FP2 polynomials of A156925.at n=5A156926
• Numbers that set records for number of ordered factorizations as A025487(j)*A025487(k).at n=26A182763
• Sorted number of edges of distinct solutions in the mix of 2 or 3 regular convex 4-polytopes.at n=18A199808
• Denominators of mass formula for vacuum graphs for a phi^6 field theory.at n=3A226257
• Product_{i=1..n} A173557(i).at n=13A239682
• a(n) is the order of the group of invertible elements in the semigroup M whose elements are the closed binary operations on an n-point set S and whose operation (on operations, in this case) is given by x AB y = (x B y) A (y B x) for operations A and B on S and points x and y in S.at n=3A242997