46081

Appears in sequences

• a(n) = T(8,n), array T given by A048472.at n=10A048480
• Number of solutions of x^7=1 in general affine group AGL(n,2).at n=3A063390
• Row sums of A075652.at n=28A075650
• a(1) = 1; then add 1, multiply by 2, subtract 3, multiply by 4, add 5, multiply by 6, subtract 7, multiply by 8 and so on.at n=13A085111
• Symmetrical form of A039683 using polynomials: p(x,n)=Product[x - (2*i), {i, 0, Floor[n/2]}]/x; t(n,m)=coefficients(p(x,n)+x^n*p(1/x,n)); t(n,m)=A039683(n,m)+A039683(n,n-m).at n=21A155718
• Symmetrical form of A039683 using polynomials: p(x,n)=Product[x - (2*i), {i, 0, Floor[n/2]}]/x; t(n,m)=coefficients(p(x,n)+x^n*p(1/x,n)); t(n,m)=A039683(n,m)+A039683(n,n-m).at n=27A155718
• a(n) = 80*n^2 + 1.at n=24A158776
• Carryless squares of carryless primes (cf. A169887).at n=20A169904
• Numbers n with property that n^2 contains "1234" as a substring.at n=33A175464
• Expansion of Product_{k>=1} (1 + x^k + x^(3*k)) / (1 - x^k).at n=25A266647
• Nonsquare k such that k^3 - 1 is the average of two positive cubes.at n=5A274578
• Numbers k such that sigma(k)^2 is divisible by k-1.at n=36A344347
• a(n) = Sum_{j=1..n} Sum_{k=1..n} phi(j*k).at n=24A372633