73185

Appears in sequences

• a(n) = n*(n+1)*(n+2)*(n+7)/24.at n=34A005582
• Products of 5 distinct primes a,b,c,d,e, such that a+b+c+d+e are prime numbers.at n=13A178782
• Array of coefficients of polynomials providing the third term of the numerator of the generating function for odd powers (2*m+1) of Chebyshev S-polynomials. The present polynomials are called P(m;2,x^2), m >= 2.at n=37A217479
• Nonprime numbers k such that the sum of the divisors of k^2 is of the form m^2 + m + 1.at n=40A289385
• Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors.at n=11A321494
• Numbers m such that abs(K(m+1) - K(m)) = 2, and both m and m+1 are squarefree (A005117), where K(m) = A002034(m) is the Kempner function.at n=21A346212