898779

Appears in sequences

• a(2*n) = floor( 17*2^n/14 ), a(2*n+1) = floor( 12*2^n/7 ).at n=39A003143
• Expansion of g.f. 1/((1-x)*(1-6*x)*(1-7*x)*(1-11*x)).at n=5A023952
• Base-2 digits are, in order, the first n terms of the periodic sequence with initial period [1,1,0].at n=20A033129
• Numbers that are repdigits in base 8.at n=45A048333
• Expansion of (1 - x)/(1 + x - x^2 + 2*x^3).at n=20A078043
• a(n) = (8^n - 1)*3/7.at n=7A083713
• a(n) = Sum[2^(A001651(i-1)-1), {i,1,n}].at n=13A113836
• Numbers k such that k^2 divides 4^k-1.at n=10A127104
• Numbers k such that k^3 divides 4^(k^2) - 1.at n=33A129212
• Numbers having in binary representation exactly two ones in three consecutive digits.at n=36A173593
• Array read by antidiagonals: T(m,n) read in binary is a palindrome with m runs of n ones separated by single zeros.at n=34A249544
• Expansion of x*(1 + x)/((1-2*x)*(1+x+x^2)).at n=21A294627
• (a(n-2) XOR a(n-1)) OR (highest bit of a(n-2))*2 OR 1; a(0)=2, a(1)=3.at n=37A334041