55924053

Appears in sequences

• a(n) = a(n-1) + 2*a(n-2), a(0)=2, a(1)=3.at n=25A048573
• a(n+1) = smallest number not containing any digits of a(n), working in base 4.at n=29A049548
• Multiples of 3 which on one operation of the Collatz function T (N -> 3N+1/2^r) yield the number 5.at n=4A072196
• a(n) = 4*a(n-1) + 1 with a(0) = 3.at n=12A072197
• Numbers k such that A081252(m)/m^2 has a local maximum for m = k.at n=25A081254
• a(n) is the index of F(n+1) at the unique occurrence of the ordered pair of reversed consecutive terms (F(n+1),F(n)) in Stern's diatomic sequence A002487, where F(k) denotes the k-th term of the Fibonacci sequence A000045.at n=25A086893
• a(n) = 4*a(n-2) + 1 with a(1) = 0, a(2) = 3.at n=25A096773
• A generalized Jacobsthal sequence.at n=24A159290
• a(n) = 4*a(n-2)+1 with initial terms 1,3,7.at n=25A283323
• Numbers of the form (2^(2*j + 6*k + 5) - 2^(2*j + 1) - 3)/9, with j,k >= 0.at n=30A342815