28801

Appears in sequences

• a(n) = 18*n^2 + 1.at n=39A157889
• a(n) = 50*n^2 + 1.at n=23A157916
• a(n) = 900*n + 1.at n=31A158407
• a(n) = 32*n^2 + 1.at n=30A158575
• a(n) = 72*n^2 + 1.at n=20A158740
• Fibonacci sequence beginning 13, 10.at n=17A206608
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 910", based on the 5-celled von Neumann neighborhood.at n=34A290669
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 910", based on the 5-celled von Neumann neighborhood.at n=35A290669
• a(n) is the number of binary (0,1) sequences of length n that have at least two ones in each window of eight consecutive symbols.at n=15A335247
• a(n) = Fibonacci(n-1) + Fibonacci(floor(n/2)).at n=24A336030
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+2,2) * binomial(k,2*(n-2*k)).at n=24A392252