-2063

Appears in sequences

• Expansion of e.g.f. cos(tan(x)) (even powers only).at n=4A003710
• E.g.f. exp(tanh(x)).at n=8A003723
• cos(sec(x)*arcsinh(x))=1-1/2!*x^2-7/4!*x^4-145/6!*x^6-2063/8!*x^8...at n=4A012826
• E.g.f.: exp(sech(x)*arcsin(x))=1+x+1/2!*x^2-1/3!*x^3-7/4!*x^4+5/5!*x^5...at n=8A012878
• Numerator of [x^(2n)] in the Taylor expansion cos(cosec(x)-cot(x))= 1-x^2/8 -7*x^4/384 -97*x^6/46080 -2063*x^8/10321920 -17803*x^10/1238630400 -....at n=4A013521
• Numerator of [x^n] in the Taylor expansion of exp(cosech(x)-coth(x)).at n=8A013559
• Expansion of (1-x)^(-1)/(1-x+x^3).at n=52A077869
• a(n) = prime(n)*(prime(n + 1) + 1) - (n^3 + sum of digits of n^3).at n=18A123139
• Partial sums of A050935.at n=54A203400
• Values of n such that L(7) and N(7) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=23A226927