28800

Appears in sequences

• Number of ways of writing n as a sum of 10 squares.at n=7A000144
• Coefficients of Chebyshev T polynomials: a(n) = A053120(n+8, n), n >= 0.at n=7A006974
• Theta series of {D_10}* lattice.at n=14A008426
• Number of elements of order <= 2 in group of n X n upper triangular matrices over GF(2).at n=6A008964
• Place n distinguishable balls in n boxes (in n^n ways); let T(n,k) = number of ways that the maximum in any box is k, for 1 <= k <= n; sequence gives triangle of numbers T(n,k).at n=16A019575
• Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1<=k<=n; sequence gives f(n,2).at n=5A019581
• a(n) = Sum_{k=0..n} T(n,k), T given by A026769.at n=13A026776
• Sorted k-factorial numbers (numbers of form k-1 excluded).at n=36A028687
• Sorted factorial and k-factorial numbers (numbers of form k-1 excluded).at n=42A028688
• Theta series of 8-d 5-modular lattice Q_8(1) with det 625 and minimal norm 4.at n=14A028976
• A convolution triangle of numbers obtained from A036070.at n=32A030526
• Number of symmetrically inequivalent coincidence rotations of icosian ring of index n.at n=94A031366
• Number of symmetrically inequivalent coincidence rotations of icosian ring of index n.at n=98A031366
• Numbers k whose decimal representation, read as a base-18 value and divided by k, yields an integer.at n=32A032567
• Highly factorable numbers: numbers with a record number of proper factorizations.at n=40A033833
• Theta series for 10-dimensional 4-modular lattice Q10 with minimal norm 4.at n=7A037219
• a(n) = 2*(n!)^2.at n=5A048617
• Numbers k such that k^12 == 1 (mod 13^4).at n=13A056095
• Numbers k that can be expressed as k = w+x = y*z with w*x = k*(y+z) where w, x, y, and z are all positive integers.at n=35A057371
• Triangle of coefficients of polynomials (rising powers) useful for convolutions of A001333(n+1), n >= 0 (associated Pell numbers).at n=12A062133