59008

Appears in sequences

• Number of ways of writing 0 as Sum_{k=-n..n} e(k)*k, where e(k) is 0 or 1.at n=10A000980
• arctan(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4-160/6!*x^6-11072/8!*x^8...at n=4A012537
• Expansion of e.g.f. arcsinh(tanh(x) * log(x+1)).at n=10A012655
• Rank of K-groups of Furstenberg transformation group C*-algebras of n-torus.at n=21A084239
• Number of (n+1)X(n+1) 0..3 arrays with diagonal zero and the i,j-th 2X2 subblock sum equal to the j,i-th 2X2 subblock sum.at n=2A187403
• T(n,k)=Number of (n+1)X(n+1) 0..k arrays with diagonal zero and the i,j-th 2X2 subblock sum equal to the j,i-th 2X2 subblock sum.at n=12A187408
• G.f.: Sum_{n>=0} x^(n*(n+1)/2) / Product_{k=1..n} (1 - k*x^k).at n=28A204856
• Number of nX1 0..1 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.at n=20A222955
• Number of n X n 0..3 zero-diagonal arrays with corresponding row and column sums equal.at n=3A229416
• T(n,k) = number of n X n 0..k zero-diagonal arrays with corresponding row and column sums equal.at n=18A229417
• Number of 4X4 0..n zero-diagonal arrays with corresponding row and column sums equal.at n=2A229418
• a(n) = A000196(A277699(A277807(n))).at n=18A277806