40657

Appears in sequences

• a(n) = 5*a(n-1) + 3*a(n-2) where a(0) = a(1) = 1.at n=7A111365
• Number of benzenoids with 22 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=14A123106
• Numbers m such that k = m*23^2 divides 3^(k-1) - 2^(k-1).at n=19A130058
• Expansion of e.g.f. exp( x * exp(x^2) ).at n=8A216688
• a(n) = n! * Sum_{k=0..floor(n/3)} k^k / (k! * (n-3*k)!).at n=8A362348
• Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).at n=27A379585
• Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).at n=29A379585