349524

Appears in sequences

• Nearest integer to 24*(2^n - 1)/n.at n=17A003138
• Integer part of 24(2^n-1)/n.at n=17A003176
• a(n) = ceiling(24(2^n-1)/n).at n=17A003177
• Barlow packings with group R3(bar)m(SO) that repeat after 6n+3 layers.at n=19A011954
• a(n) = a(n-1) + 2*a(n-2) + 2, for n>=3, where a(0)= 1, a(1)= 2, a(2)= 4.at n=18A026644
• Totient of 2^n+1.at n=19A053285
• Partial sums of Jacobsthal gap sequence.at n=18A080610
• a(n) = (4/3)*(4^n - 1).at n=9A080674
• Expansion of x*(1+2*x)/((1+x)*(1-x)*(1-2*x)).at n=18A084639
• Binomial transform of (-1)^mod(n,3) (A257075).at n=20A086953
• Expansion of (1+x-4*x^2) / ((1+x)*(1-4*x^2)).at n=19A087213
• a(1) = 4; then alternately add -4 and multiply by -2.at n=37A096406
• Expansion of (1 - 2*x + 2*x^2)/((1 - x^2)*(1 - 2*x)).at n=19A097072
• Expansion of (1-x+2*x^2)/((1+x)*(1-2*x)).at n=19A097073
• Expansion of (1+3x)/((1-x)(1-4x^2)).at n=17A097164
• a(n) = (n^7 - n)/6.at n=8A108495
• Expansion of x^3 / ((x-1)*(2*x-1)*(x^2-x+1)).at n=20A111927
• Expansion of -2*x*(-3-2*x+4*x^2) / ((x-1)*(2*x+1)*(2*x-1)*(1+x)).at n=18A120462
• Binomial transform of A101000.at n=18A130624
• a(n) = 3a(n-1) - 3a(n-2) + 2a(n-3), a(0) = 3, a(1) = 2, a(2) = 0.at n=20A131370