18954

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^9 in powers of x.at n=31A001487
• Degrees of irreducible representations of Suzuki group Suz.at n=15A003902
• Numbers k such that 10*3^k + 1 is prime.at n=23A005539
• a(n) = 3^n - n^3.at n=9A024026
• Gaps of 7 in sequence A038593 (lower terms).at n=39A038653
• Gaps of 10 in sequence A038593 (upper terms).at n=12A038660
• Numbers whose base-4 representation contains exactly three 0's and four 2's.at n=29A045056
• Nonnegative numbers of the form x^y - y^x, for x,y > 1.at n=21A045575
• a(n) = n^3 - n^2.at n=27A045991
• Jordan function J_3(n).at n=26A059376
• Last number of height n in Recamán's sequence A005132.at n=25A064293
• Numbers k such that prime(k) + prime(k+1)*2 is a square.at n=29A064504
• Number of non-commutative closed binary operations on a set of order n.at n=2A079182
• Triangle read by rows: T(n, k) = abs(n^k-k^n), 1<=k<=n.at n=38A082754
• An inverse Chebyshev transform of the Jacobsthal numbers.at n=12A100096
• Table read by rows giving the coefficients of general sum formulas of n-th sums of Bell numbers (A005001). The k-th row (k>=1) contains T(i,k) for i=1 to 2*k and k=1 to n-3, where T(i,k) satisfies Sum_{q=1..n} Bell(q) = 1 + C(n,2) + Sum_{k=1..n-3} Sum_{i=1..2*k} T(i,k) * C(n-k-2,1).at n=23A102735
• a(n) = n*(n+1)^2.at n=25A114364
• Expansion of x(3-x^2)/(1-3x).at n=9A114982
• Largest k such that k <= 81*(number of digits of k^n)*(number of digits of k^(n+1)).at n=2A130179
• G.f. satisfies: A(x - x*B(x)) = x where B(x) = (A(x) - A(-x))/2, the odd bisection of A(x).at n=8A141203