36915112104
domain: N
Appears in sequences
- a(n) = 6*a(n-1) - a(n-2).at n=14A005319
- Numerators of continued fraction convergents to sqrt(578).at n=6A042106
- a(n) = 2*a(n-1) + a(n-2), with a(0) = 1, a(1) = 2, a(2) = 4.at n=28A052542
- a(0)=0; a(1)=1; a(2n) = 4*Sum_{k=0..n} a(2k-1); a(2n+1) = a(2n) + a(2n-1).at n=28A089499
- A005319 and A002315 interleaved.at n=28A143608
- Numerators of fractions in a 'zero-transform' approximation of sqrt(2) by means of a(n) = (a(n-1) + c)/(a(n-1) + 1) with c=2 and a(1)=0.at n=28A163271
- a(n) = Pell(n)*A001227(n) for n >= 1, where A001227(n) is the number of odd divisors of n.at n=27A209445
- a(n) = Pell(n)*A033719(n) for n>=1, with a(0)=1, where A033719 lists the coefficients in theta_3(q)*theta_3(q^7).at n=28A209454