7516192768

Appears in sequences

• a(n) = 7*4^n.at n=15A002042
• a(n) = n*2^n.at n=28A036289
• Denominators of coefficients of 1/2^(2n+1) in Newton's series for Pi.at n=17A054388
• First differences of 8^n (A001018).at n=11A055274
• a(n) = n*omega(n)^n where omega(n) is the number of distinct prime divisors of n.at n=27A061340
• Numerator of b(n) given by b(1) = 1, b(2) = 2; for n >= 3, b(n) = (-1)^n (2n-1) ((n-2)!!)^2/((n-1)!!)^2, where n!! is the double factorial A006882.at n=17A095159
• a(n) = number of distinct solutions to equations 1 +- x +- x^2 +- ... +- x^n = 0 over the complex numbers.at n=28A096195
• Expansion of (1 - 4*x + 6*x^2)/(1 - 2*x)^2.at n=29A097064
• a(n) = n*2^n - 2^(n/2)*sin(Pi*n/4).at n=28A099855
• a(n) = n*(n-1)/2 * 2^(n*(n-1)/2).at n=7A103904
• Numerators in the fractional coefficients that form the partial quotients of the continued fraction representation of the inverse tangent of 1/x.at n=17A110255
• Numerators in the coefficients that form the even-indexed partial quotients of the continued fraction representation of the inverse tangent of 1/x.at n=8A110259
• Number of palindromes of length n (in base 8).at n=20A117860
• Number of palindromes of length n (in base 8).at n=21A117860
• Row sums of A125175.at n=32A125176
• a(n) = (n^3 - n^2)*8^n.at n=7A128991
• Denominator of (ordinary) expansion of log((x/2-1)/(x-1)).at n=28A131135
• Row sums of triangle A134400.at n=28A134401
• Binomial transform of [1, 6, 1, 6, 1, 6, ...].at n=31A135092
• a(n) = 8*a(n-2), with a(0) = 7, a(1) = 14.at n=20A135536