38176

Appears in sequences

• a(n) = M(2^n), where M(n) is Mertens's function, A002321.at n=36A084236
• Numbers k such that (3*2^k - 1)^2 - 2 is prime.at n=18A100911
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1001-1111-1001 pattern in any orientation.at n=18A146927
• A boustrophedon triangle.at n=53A227862
• T(n,k) = number of arrays of length n that are sums of k consecutive elements of length n+k-1 permutations of 0..n+k-2.at n=48A229565
• Number of arrays of length 4 that are sums of n consecutive elements of length 4+n-1 permutations of 0..4+n-2.at n=6A229567
• Expansion of Sum_{i>=1} mu(i)^2*x^i/(1 - x^i) / Product_{j>=1} (1 - x^j), where mu() is the Moebius function (A008683).at n=28A281573
• Column 1 of triangle A318945.at n=12A318946
• Number of integer partitions of n such that (length) * (maximum) >= 2*n.at n=40A361906
• Number of integer partitions of n such that (length) * (maximum) > 2*n.at n=40A361907
• G.f. A(x) satisfies A(x) = 1 + x/(1+x^3)^2 * A(x)^2.at n=11A390134