175680

Appears in sequences

• Number of ways of writing n as a sum of 10 squares.at n=11A000144
• Theta series of {D_10}* lattice.at n=22A008426
• Theta series for 10-dimensional 4-modular lattice Q10 with minimal norm 4.at n=11A037219
• Array read by antidiagonals: T(k,d) = number of different hyperplanes in d-space with integer coefficients in set {-k,...,-1,0,1,...,k}.at n=39A061559
• a(1)=1, a(n+1)=ceiling(phi*a(n))+1 if a(n) is odd, a(n+1)=ceiling(phi*a(n)) if a(n) is even, where phi=(1+sqrt(5))/2.at n=23A092263
• Expansion of 2*x^2*(3-x)/((1+x)*(1-3*x+x^2)).at n=12A121801
• Number of permutations of 1..n with no adjacent pair summing to n+3.at n=9A173843
• Number of permutations of 1..n with no adjacent pair summing to n+4.at n=9A173844
• Triangle read by rows. T(n, k) = A000326(n - k + 1) * T(n, k - 1) + T(n - 1, k) for 0 < k < n. T(n, 0) = 1 and T(n, n) = T(n, n - 1) if n > 0.at n=24A366138
• E.g.f. A(x) satisfies A(x) = 1 + x*A(x)^2 * cosh(x*A(x)^2).at n=6A381447