145635

Appears in sequences

• Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,3.at n=8A037618
• a(n) = sum(2^(A047240(i)-1), i=1..n).at n=8A113854
• Numbers k such that 2*k+1, 4*k+1, 8*k+1, 16*k+1 and 32*k+1 are primes.at n=18A124413
• The number of nonlinear normal modes for a fully resonant Hamiltonian system with n degrees of freedom.at n=6A231482
• Binary "cubes"; numbers whose binary representation consists of three consecutive identical blocks.at n=34A297405
• Terms of A198587 congruent {1, 3, 7} (mod 8).at n=15A385110