67108860

Appears in sequences

• a(n) = 2*a(n-1) if n odd else 2*a(n-1) + 6.at n=24A014131
• a(n) = 2^n - 4.at n=24A028399
• Average theta series of odd unimodular lattices of dimension 14 (multiplied by 61).at n=8A029815
• Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to complement.at n=26A045663
• a(n) = T(5,n), array T given by A047858.at n=22A047862
• Number of 4-ary sequences with primitive period n.at n=13A054719
• a(n) = 4^n - 4.at n=13A058896
• a(n) is the closest number to 2^n which is divisible by n.at n=25A082894
• (Smallest prime >= 2^n) + (largest prime <= 2^n).at n=25A092507
• a(n) = 2 * A285917(n) for n >=2, a(0) = a(1) = 0.at n=25A120672
• a(n) = largest multiple of n which is <= 2^n.at n=25A128092
• a(n) = A000079(n) - A153130(n).at n=26A153237
• a(n) = the largest positive multiple of n with exactly n digits when written in binary.at n=25A162214
• Smallest number m such that exactly n editing steps (insert or substitute) are necessary to transform the binary representation of m into the least prime not less than m.at n=24A171402
• Second diagonal under the main diagonal in A172119 written in a square (see comment).at n=24A173033
• Number of distinct infinite sets of primes congruent to a subset of 1..n mod n.at n=34A216850
• 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=25A277799
• 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=25A279961
• 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=25A283506
• 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=25A285645