54975581388
domain: N
Appears in sequences
- Every run length in base 2 is 2.at n=17A043291
- a(n) is the number whose binary representation is the concatenation of n strings of the four digits "1100".at n=9A108020
- Number of closed walks of length n on the complete graph on 5 nodes from a given node.at n=19A109499
- G.f.: (4*x^2 + 2*x)/(4*x^3 - x^2 - 4*x + 1).at n=18A115243
- a(n) = floor(4^n/n).at n=19A129794
- a(n) = floor(2^(n+1)/n).at n=39A281375
- a(n) = a(n-1) + 16*a(n-3) - 16*a(n-4), where a(0) = 1, a(1) = 4, a(2) = 8, a(3) = 12, a(4) = 76.at n=27A297555