3892314112

Appears in sequences

• a(0)=0, a(1)=1, a(n) = n*2^(n-2) for n >= 2.at n=29A057711
• Binomial transform of A124625.at n=29A129952
• Number of defective 3-colorings of an n X 2 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=14A229580
• Positive solution to 2^(n-1) = (1/n) * Sum_{d|n} a(d) * a(n/d).at n=28A299119
• a(n) is the least number with n prime factors (counted with multiplicity) that is the concatenation of two primes.at n=27A374669
• Expansion of e.g.f. (1+x)*cosh(x)^2.at n=29A383608
• Expansion of e.g.f. cosh(x)^2*(x+x^2/2).at n=29A385601
• Expansion of e.g.f. cosh(x)^2*(1 + x + x^2/2).at n=29A386227