26843545
domain: N
Appears in sequences
- Expansion of (1-x)/(1-2*x+x^2-2*x^3).at n=26A007909
- Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2.at n=13A037481
- Expansion of 1/((1-x)*(1-2*x)*(1+x^2)).at n=24A077854
- a(n) = 3*a(n-1) + 4*a(n-2), a(0)=a(1)=1.at n=13A102900
- a(n) = floor(A140657(n+2)/10).at n=26A140659
- Number of n-step one-sided prudent walks, avoiding single west steps and single east steps.at n=25A190569
- The subsequence A247649(2^n-1).at n=24A255490
- List of numbers of the forms (2^(4m+3)-3)/5 and (2^(12m+4)-3)/13 arranged in increasing order.at n=9A260953