61184

Appears in sequences

• Expansion of tan(x)*exp(sin(x)).at n=10A009735
• Expansion of e.g.f tan(x)*sinh(sin(x)), even powers only.at n=5A009745
• Numbers n such that n^2048 + 1 is prime (a generalized Fermat prime).at n=29A088361
• a(n) = n^4 - n^3 - n^2.at n=16A132998
• Number of n X n arrays of squares of integers summing to 9.at n=2A159375
• Extended Lucas L(n,i) = n*(L(n,i-1) + L(n,i-2)) = a^i + b^i where d = sqrt(n*(n+4)); a=(n+d)/2; b=(n-d)/2.at n=7A170931
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood.at n=16A287604
• Numbers k such that there are exactly 9 numbers j for which binomial(k, floor(k/2)) / binomial(k,j) is an integer, i.e., A080383(k) = 9.at n=11A327431
• Least b such that b^(2^n) + 1 is a Proth prime (A080076).at n=11A334053
• a(n) = A341886(n)/2; numbers k such that A307437(k) is even.at n=12A341887
• Numbers k such that sigma(k) = psi(k) + phi(k) + omega(k)^4.at n=2A391763