306783378

Appears in sequences

• a(n) = floor(2^(n+2)/7).at n=28A033138
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2.at n=14A037497
• Expansion of 1/(1 - x - x^2 - 2*x^3).at n=29A077947
• Numbers whose base-8 or octal representation is 22222222.......2.at n=10A125835
• a(n) + a(n+1) + a(n+2) = 2^n.at n=30A152732
• A023001 interleaved with 2*A023001 and 4*A023001.at n=31A155803
• Moore lower bound on the order of a (9,g)-cage.at n=17A198309