24216

Appears in sequences

• Number of permutations of order n with the length of longest run equal to 3.at n=7A001251
• Theta series of direct sum of 4 copies of hexagonal lattice.at n=9A008655
• a(n) is the concatenation of n and 9n.at n=23A009474
• Triangle read by rows: number of permutations of 1..n by length of longest run.at n=26A010026
• Theta series of 8-dimensional strongly 6-modular lattice O(6) with minimal norm 3.at n=36A029720
• Numbers k such that 2^k + k^2 + 1 is prime.at n=11A100357
• a(n) = 1728*n + 24.at n=13A157325
• Number of right triangles on a (n+1)X8 grid.at n=14A189812
• Number of lattice paths from (0,0) to (n,0) that do not go below the x-axis or above the diagonal x=y and consist of steps U=(1,1), D=(1,-1) and S=(0,1).at n=11A198324
• Triangle read by rows: number of permutations of 1..n by length l of longest run (n >= 1, 1 <= l <= n).at n=30A211318
• Number of (w,x,y) with all terms in {0,...,n} and the numbers w,x,y,|w-x|,|x-y|,|y-w| distinct.at n=32A213493
• Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) > number of distinct parts of p.at n=42A241822
• Numbers k such that (13*10^k + 89) / 3 is prime.at n=22A280558
• Number of degree n products of distinct cyclotomic polynomials.at n=32A280611
• Number of n element multisets of the 2n-th roots of unity with zero sum.at n=11A321415
• Triangle read by rows: T(n,k) is the number of unordered pairs of nodes at distance k in the n-Dorogovtsev-Goltsev-Mendes graph.at n=18A384844