343424

Appears in sequences

• Expansion of e.g.f. exp(sinh(x) + sin(x)).at n=12A013025
• cos(sinh(x)+sin(x))=1-4/2!*x^2+16/4!*x^4-88/6!*x^6+1152/8!*x^8...at n=6A013030
• Irregular triangle read by rows: T(n,k) = number of size k subsets of S_n with respect to the symmetries of the square.at n=26A277086