25216

Appears in sequences

• E.g.f. is the logarithmic derivative of e.g.f. for Pell numbers [1, 0, 1, 2, 5, ...].at n=9A006673
• Let S denote the palindromes in the language {0,1,2,3}*; a(n) = number of words of length n in the language SS.at n=10A007057
• Expansion of e.g.f. sin(sinh(x)*sin(x))/2 in odd powers of x^2.at n=2A009497
• arcsin(cos(x)*arctan(x))=x-4/3!*x^3+8/5!*x^5+128/7!*x^7+25216/9!*x^9...at n=4A012498
• Expansion of (theta_3(z)*theta_3(2z)*theta_3(4z)+theta_2(z)*theta_2(2z)*theta_2(4z))^4.at n=35A028701
• Number of dyslexic identity rooted planar trees with n nodes.at n=13A032102
• Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k>0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives i values.at n=8A053017
• Number of graphs with n nodes on a circle without crossing edges.at n=7A054726
• Duplicate of A054726.at n=7A085615
• Equal count of primes congruent to 1 mod 4 and 3 mod 4 associated with primes in A007351 (the zero beginning the sequence indicates the prime 2).at n=23A092198
• Difference between 2^n and the largest factorial <= 2^n.at n=16A135996
• Number of 3:4:5 proportioned triangles on a (n+1)X(n+1) grid.at n=23A189972
• a(n) = 2*(3*n+1)*(9*n+8).at n=21A304506
• Primitive practical numbers of the form 2^i * prime(k).at n=43A308710
• Numbers m such that m = p^2 + k^2, with p > 0, where p = A007954(m) = the product of digits of m.at n=25A334557
• a(n) is the cardinality of S(n), the subset of partitions of n such that there are enough smaller parts to add together to be greater than a larger part.at n=37A338085