54184

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|>n+|y-z|.at n=26A212689
• Number of cubic plane graphs with 2n nodes, minimal face size 4 and maximal face size 6.at n=30A219748
• Numbers n such that sigma(Rev(phi(n))) = phi(Rev(sigma(n))), where sigma is the sum of divisors and phi the Euler totient function.at n=13A252255
• Integers m of the form m = 3*p + 5*q = 5*r + 7*s where {p,q} and {r,s} are pairs of consecutive primes.at n=16A283392
• Expansion of Product_{k>=1} (1 + x^k)^A034448(k).at n=19A301982
• Expansion of e.g.f. (1/x) * Series_Reversion( x*(2 - exp(x))^4 ).at n=4A377428