954368
domain: N
Appears in sequences
- a(n) = 2*a(n-1) + 4*a(n-2), a(0)=1, a(1)=2.at n=12A063727
- Horadam sequence (0,1,4,2).at n=13A085449
- Numbers that appear in A076078.at n=39A097210
- a(n) = the number of sets of distinct positive integers with a least common multiple of A025487(n), i.e., A076078(A025487(n)).at n=29A097211
- Numbers n such that A076078(m)=n for some m, excluding powers of 2.at n=19A097416
- a(n) = Sum_{k=0..n} binomial(2n+1, 2k)*5^(n-k).at n=6A102592
- a(1) = 1, a(n) = 2*a(n-1) if n is even; a(n) = a(n-1)*Fibonacci((n+1)/2)/Fibonacci((n-1)/2) if n is odd.at n=24A171648
- Number of subsets of {1, 2, 3, ..., n} that include no consecutive even integers.at n=23A279312
- Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 670", based on the 5-celled von Neumann neighborhood.at n=19A290160