99645

Appears in sequences

• Mean of first six positive powers of n, i.e., (n + n^2 + n^3 + n^4 + n^5 + n^6)/6.at n=9A059721
• A level 11 weight 5 form.at n=17A065103
• Products of 5 distinct primes a,b,c,d,e, such that a+b+c+d+e are prime numbers.at n=28A178782
• Numbers k such that (6*k+1)*(12*k+1)*(18*k+1) is a Carmichael number which is the product of four prime numbers.at n=29A221743
• a(n) = Sum_{ d >= 1, d divides n} (-1)^(n-d)*d^4.at n=17A279395
• a(n) = Sum_{d|n} (-1)^(n/d+1)*d^4.at n=17A284900