51359

Appears in sequences

• Coefficients of Chebyshev polynomials.at n=19A005583
• Lucas-Carmichael numbers: squarefree composite numbers k such that p | k => p+1 | k+1.at n=16A006972
• Odd numbers to the right of the central elements of the (2,1)-Pascal triangle A029653 that are different from 1.at n=39A029668
• Delete first column (index 0) and all rows having nonprime index of triangle T(p,k) defined in A034807 (coefficients of Lucas polynomials). Sequence gives resulting sub-triangle read by rows.at n=50A096539
• Number of (w,x,y,z) with all terms in {1,...,n} and w <= x > y <= z.at n=22A212246
• Lucas-Carmichael numbers with 4 prime factors.at n=4A216926
• Number of length 4+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=9A250421
• Least Lucas-Carmichael number divisible by the n-th prime.at n=8A253597
• a(n) = least Lucas-Carmichael number which is divisible by b(n), where {b(n)} (A255602) is the list of all numbers which could be a divisor of a Lucas-Carmichael number.at n=10A253598
• 24-hedral numbers: a(n) = (2*n + 1)*(8*n^2 + 14*n + 7).at n=14A254473
• Expansion of x*(1 + 3*x + x^2)/((1 - x)^5*(1 + x)^4).at n=42A287143
• Consecutive states of the linear congruential pseudo-random number generator (31481*s+21139) mod 10^5 when started at s=1.at n=2A384341
• a(n) = Sum_{k=0..floor(n/4)} binomial(n+k-1,k) * binomial(k,n-4*k).at n=20A389291