63240

Appears in sequences

• Coefficient of x^4 in (1-x-x^2)^(-n).at n=30A006504
• Number of partitions of n in which number of parts is not 2.at n=43A058984
• Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,57.at n=15A065697
• Numbers whose number of divisors equals the sum of their separate prime-power decompositions.at n=23A087004
• Numbers that can be expressed as the difference of the squares of primes in exactly six distinct ways.at n=35A092002
• Numbers m such that product of factorials of digits of m equals sigma(m).at n=13A137603
• Triangle of coefficients of polynomials v(n,x) jointly generated with A210860; see the Formula section.at n=38A210861
• Expansion of Product_{n>=1} (1 - x^(5*n))^30/(1 - x^n)^31 in powers of x.at n=4A278558
• a(n) is the least k that is a multiple of A071395(n) (the n-th primitive abundant number) for which A003961(k) is abundant.at n=43A337469
• G.f. A(x) satisfies A(x) = (1 + x * A(x)^3) / (1 - 2 * x).at n=6A348793
• Number of integer partitions of n that are not of length 2 and do not contain n/2.at n=43A365825