34066

Appears in sequences

• In ternary expansion of n, reading from left to right, digits occur in order ...,0,1,2,0,1,2,...at n=19A037079
• Base-3 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,0.at n=9A037504
• a(1) = 1; a(n) = a(n-1)-th nontotient number.at n=6A071573
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - S^4.at n=17A291220
• Numbers in whose base 3-representation every two consecutive digits and every three consecutive digits are distinct.at n=36A369635
• E.g.f. satisfies A(x) = exp(x * A(x)) / (1 - x)^2.at n=5A377810