-17696

Appears in sequences

• cos(sinh(x)+sin(x))=1-4/2!*x^2+16/4!*x^4-88/6!*x^6+1152/8!*x^8...at n=5A013030
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix from A204114, given by gcd(L(i+1), L(j+1)), where L=A000032 (Lucas numbers).at n=21A204115