63888

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*12^j.at n=11A038326
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*11^j.at n=13A038337
• Composite numbers divisible by the palindromic sum of their palindromic prime factors (counted with multiplicity).at n=28A046366
• Positive integers such that the smallest positive real solution to x^n + x = 2*Pi*a(n) forms a monotonically increasing sequence as n grows.at n=14A080019
• G.f. is Q_1(q) where q*Q_1(q^4) is a series quadrisection of the g.f. of A161800.at n=15A161802
• Number of bases to which terms of A194946 are pseudoprime.at n=27A195327
• Number of (w,x,y,z) with all terms in {1,...,n} and w>2x and y<3z.at n=24A212516
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|<|x-y|+|y-z|.at n=17A212571
• Numbers k such that the sum of prime factors of k (counted with multiplicity) equals four times the largest prime divisor of k.at n=36A212862
• a(n) = 6*n^3.at n=22A244726
• Coefficients of mock modular form H_1^(3).at n=13A256049
• a(n) = n^3 if n odd, 3*n^3/4 if n even.at n=44A309337
• Numbers k that are divisible by sum(pi)^2+sum(ei) where k=p1^e1*...*pj^ej with pi primes.at n=42A321456
• Numbers k with property that k is the least logarithmically smooth numbers (meaning largest prime factor of k is less than log(k)) having squarefree kernel equal to squarefree kernel of k.at n=24A333961
• Expansion of (1/x) * Series_Reversion( x / ((1+x)^3+x^3)^2 ).at n=5A369507
• Expansion of (1/x) * Series_Reversion( x * (1 - x / (1 - x)^3)^2 ).at n=6A389692