98816

Appears in sequences

• Expansion of 1/(1 - 2*x + 2*x^2 - 2*x^3).at n=27A077943
• A sequence of triples arising from a matrix calculation, in particular let m = floor(n/3), then (a(3*m), a(3*m+1), a(3*m+2)) = M^(m*(m+1)/n) * (0, 1, 1) where M is the matrix [[1,0,1], [1,1,0], [-1,1,0]].at n=21A103191
• E.g.f.: Sum_{n>=0} 2^n * sinh(n*x)^n.at n=4A320419
• a(n) is the least number k such that both k and k - s have n prime divisors, counted with multiplicity, where s is the sum of the decimal digits of k.at n=8A381851