16777212

Appears in sequences

• a(n) = 2*a(n-1) if n odd else 2*a(n-1) + 6.at n=22A014131
• a(n) = 2^n - 4.at n=22A028399
• Number of primitive (aperiodic) palindromes using a maximum of four different symbols.at n=22A056460
• Number of primitive (period n) periodic palindromes using a maximum of four different symbols.at n=22A056495
• a(n) = 4^n - 4.at n=12A058896
• a(n) = 2 * A285917(n) for n >=2, a(0) = a(1) = 0.at n=23A120672
• a(n) = Sum_{k=0..n} floor(C(n,k)/2).at n=25A120739
• Numbers of the form Abs[m^m - n^n], where integers m,n>0.at n=27A124076
• Second diagonal under the main diagonal in A172119 written in a square (see comment).at n=22A173033
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 1", based on the 5-celled von Neumann neighborhood.at n=23A277799
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 221", based on the 5-celled von Neumann neighborhood.at n=23A279961
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 641", based on the 5-celled von Neumann neighborhood.at n=23A283506
• 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 65", based on the 5-celled von Neumann neighborhood.at n=23A285645
• 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 245", based on the 5-celled von Neumann neighborhood.at n=23A287131
• 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 259", based on the 5-celled von Neumann neighborhood.at n=23A287197
• 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 437", based on the 5-celled von Neumann neighborhood.at n=23A288298
• 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 501", based on the 5-celled von Neumann neighborhood.at n=23A288762
• 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 641", based on the 5-celled von Neumann neighborhood.at n=23A290073
• Number of aperiodic binary arrays of size n.at n=23A323864
• a(n) = A332215(A335882(n)).at n=42A335879