23938

Appears in sequences

• Coordination sequence for MgNi2, Position Mg1.at n=38A009936
• From George Gilbert's marks problem: jumping 4 marks at a time (final positions).at n=8A019596
• Decimal part of a(n)^(1/3) starts with reversal of its integer part: first term of runs.at n=26A034309
• Numbers k such that 6*10^k + R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=17A056717
• Average of Eulerian numbers (A008292) and Pascal's triangle (A007318): t(n,m) = (A008292(n,m) + A007318(n,m))/2.at n=47A141689
• Average of Eulerian numbers (A008292) and Pascal's triangle (A007318): t(n,m) = (A008292(n,m) + A007318(n,m))/2.at n=52A141689
• Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*P(x, n)/dx^2 and p(x, n)=(x-1)^(n+1)*Sum_{k>=0} ((-1)^(n + 1)*k^n)*x^(k-1).at n=28A154702
• Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*P(x, n)/dx^2 and p(x, n)=(x-1)^(n+1)*Sum_{k>=0} ((-1)^(n + 1)*k^n)*x^(k-1).at n=35A154702
• Number of partitions p of n such that the number of numbers having multiplicity 1 in p is not a part and the number of numbers having multiplicity > 1 is a part.at n=46A241415
• Number of partitions of n where the minimal multiplicity of any part is 2.at n=62A244515
• Number of partitions of (3, n) into a sum of distinct pairs.at n=30A268346