28672

Appears in sequences

• a(n) = (n+2)*2^(n-1).at n=12A001792
• a(n) = 7*4^n.at n=6A002042
• a(n) = n*4^(n-1).at n=7A002697
• Theta series of E_8 lattice with respect to deep hole.at n=11A004017
• a(n) = 7*2^n.at n=12A005009
• a(1) = 2, a(n) = sigma(a(n-1)).at n=13A007497
• a(n) = floor(n/5)*floor((n+1)/5)*floor((n+2)/5)*floor((n+3)/5)*floor((n+4)/5).at n=39A008382
• Triangle of coefficients in expansion of (1+4x)^n.at n=34A013611
• Triangle of coefficients in expansion of (1+8x)^n.at n=39A013615
• Theta series of shadow of lattice described in A014711.at n=6A014713
• Numbers of form 4^i*7^j, with i, j >= 0.at n=26A025619
• Numbers of the form 2^k or 7*2^k.at n=27A029746
• Numbers of the form 2^k times 1, 3 or 7.at n=41A029748
• Numbers of the form 2^k times 1, 5 or 7.at n=40A029749
• Triangle of coefficients of certain polynomials (exponents in decreasing order).at n=31A033842
• Numbers whose prime factors are 2 and 7.at n=29A033847
• Numbers of form 7^i*8^j with i, j >= 0, sorted.at n=19A036566
• Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*4^j.at n=38A038210
• Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j).at n=29A038231
• Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*2^j.at n=42A038232