57344

Appears in sequences

• Numbers that are not the sum of 4 nonzero squares.at n=30A000534
• a(n) = n*2^(2*n-1).at n=7A002699
• a(n) = 7*2^n.at n=13A005009
• Numbers that have a unique partition into a sum of four nonnegative squares.at n=29A006431
• Triangle of coefficients in expansion of (1+4x)^n.at n=41A013611
• a(n) = lcm(n, 2^(n-1)).at n=13A014964
• Numbers of the form 2^k or 7*2^k.at n=29A029746
• Numbers of the form 2^k times 1, 3 or 7.at n=44A029748
• Numbers of the form 2^k times 1, 5 or 7.at n=43A029749
• Numbers whose prime factors are 2 and 7.at n=34A033847
• Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*4^j.at n=34A038210
• Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j).at n=39A038231
• Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*2^j.at n=29A038232
• 4-fold convolution of A000302 (powers of 4); expansion of g.f. 1/(1-4*x)^4.at n=5A038846
• a(0)=0, a(1)=1, a(n) = n*2^(n-2) for n >= 2.at n=14A057711
• Triangle T(n,k) of number of minimal 3-covers of a labeled n-set that cover k points of that set uniquely (k=3,..,n).at n=15A057964
• Numbers k such that k = 2*phi(k) + phi(phi(k)).at n=25A063920
• 14-almost primes (generalization of semiprimes).at n=5A069275
• Binary expansion is 1x100...0 where x = 0 or 1.at n=27A070875
• Numbers whose sum of exponents is equal to the product of prime factors.at n=12A071174