-79380

Appears in sequences

• cosh(log(x+1)-arcsinh(x))=1+3/4!*x^4-30/5!*x^5+180/6!*x^6-945/7!*x^7...at n=9A013279
• Triangle T, read by rows, such that the matrix square, T^2, forms a simple 2-diagonal triangle where [T^2](n,n) = 1 and [T^2](n+1,n) = 2*(n+1) for n>=0.at n=48A113278
• Lower triangular array T(n,k) generator for group of arrays related to A001147 and A102625.at n=48A132382
• Production array of A122848, read by row.at n=58A154557