95393

Properties

Appears in sequences

• Number of asymmetric planar trees with n nodes.at n=15A005354
• Dimension of invariant subspace of Lie polynomials of degree 2n under action of SL_2(C) on free Lie algebra of rank 2.at n=13A028351
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 26.at n=18A031614
• Numbers n such that sigma (phi ( n ) ) = sigma (sigma (n ) ) where phi is Euler's totient and sigma is the multiplicative sum-of-divisors function.at n=34A065556
• Primes p such that sigma(p+1) = sigma(p-1).at n=3A067891
• Duplicate of A067891.at n=3A068357
• Prime numbersat n=9195