39322
domain: N
Appears in sequences
- a(1) = a(2) = 1, a(2n + 1) = 2*a(2n) and a(2n) = 2*a(2n - 1) + (-1)^n.at n=16A016029
- a(n) = (3*16^n + 2)/5.at n=4A061654
- Expansion of (1-x)/(1-x+2*x^3).at n=32A078014
- Number of primes of the form 4k+3 less than 10^n.at n=5A091099
- Expansion of (1-x^2)/((1-2*x)*(1+x^2)).at n=16A100088
- Numbers k such that A003313(k) = A003313(5*k).at n=11A116460
- a(n) = 3*a(n-1) + 4*a(n-2), with a(0)=1, a(1)=2.at n=8A122117
- a(n) = a(n-1) + a(n-2) + a(n-3) + 2*a(n-4) with a(0)=2, a(1)=1, a(2)=5, a(3)=10.at n=15A226309
- The length of the shortest prefix of the Thue-Morse word decomposable to not less than n palindromes.at n=12A320429
- Expansion of 1/((1 - x - x^4)^2 - 4*x^5).at n=17A375283