21035

Appears in sequences

• Character of extremal vertex operator algebra of rank 14.at n=4A028523
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29.at n=4A031707
• Numbers k such that 65*2^k+1 is prime.at n=39A032382
• Total multiplicity of the eigenvalue 0 in the spectra of the n^(n-2) labeled trees on n vertices.at n=6A053605
• Fifth column of A046741.at n=8A062125
• a(n+1) is the integer part of sqrt(2*a(n)^2).at n=27A102822
• a(n) = n*(n+1)*(3*n^2+n-1)/6.at n=14A103220
• a(n) = 841*n^2 + 2*n.at n=4A158403
• a(n) is the smallest number k such that d(1)*1! + d(2)*2! + ... + d(p)*p! = n^2, where d(i) are the decimal digits of k.at n=25A198095
• Second elementary symmetric function of the first n terms of (1,1,2,2,3,3,4,4,...).at n=26A203246
• Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.at n=3A219882
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nXk array.at n=48A219883
• Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 4Xn array.at n=6A219885
• Number of 6 X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=11A224042
• a(n) = n-th pi-based antiderivative of 7.at n=19A259168
• a(n) is the number of cyclic permutations that admit a [1,1,-1]-gridding.at n=12A303980
• a(n) is the number of cyclic permutations of length n that admit a [1,-1,-1]-gridding.at n=12A304201