192937984

Appears in sequences

• Theta series of D*_23 lattice.at n=31A022076
• a(n) = n*2^n.at n=23A036289
• Expansion of (1 - 4*x + 6*x^2)/(1 - 2*x)^2.at n=24A097064
• a(n) = prime(n)*2^prime(n).at n=8A100042
• a(n) = n-th n-almost prime.at n=23A101695
• Denominator of (ordinary) expansion of log((x/2-1)/(x-1)).at n=23A131135
• Row sums of triangle A134400.at n=23A134401
• Denominators of expansion of (Sum_{k=1..n} 1/k) - log(n(1+1/(2n))) - gamma.at n=21A189049
• Expansion of x*(5+x+x^2)/(1-2*x).at n=26A248646
• Decimal representation of the n-th iteration of the "Rule 67" elementary cellular automaton starting with a single ON (black) cell.at n=18A266839
• a(n) = (2n + 1)*2^(2n + 1); numbers k such that v(k)*2^v(k) = k, where v(n) = A007814(n) is 2-adic valuation of n.at n=11A288443
• Numbers with prime factorization of the form p_1^p_2*p_2^p_3*...p_(n-1)^p_n*p_n where p_(n-1) < p(n) and n > 1.at n=18A294110