76416

Appears in sequences

• Numbers k such that 45*2^k+1 is prime.at n=30A032372
• McKay-Thompson series of class 24H for Monster.at n=35A058578
• a(n) = n*(7*n^2-4)/3.at n=32A063521
• Exponents in expansion of rank-2 Artin constant product(1-1/(p^3-p^2), p=prime) as a product zeta(n)^(-a(n)).at n=38A065417
• Numbers n such that n=phi(phi(n)+sigma(n)) and n is not of the form 2*p where p is a Sophie Germain odd prime.at n=11A097652
• Number of permutations of length n which avoid the patterns 1234, 3421, 4231.at n=14A116803
• a(n) = 20*a(n-1) - 64*a(n-2) for n > 1; a(0) = 1, a(1) = 18.at n=4A166927
• Inverse Euler transform of {1,0,1,0,0,0,...}.at n=39A320786
• a(n) = 2^(n - 1)*((-1)^(n + 1) + 7*2^n)/3 = 2^(n - 1)*A062092(n).at n=8A370627
• Vertical moments of inertia of a unit lozenge tiling of the hexagon with side lengths n (see references for exact configuration).at n=15A374083