246365

Appears in sequences

• a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1 and a(2) = a(3) = 3.at n=17A049973
• a(n) = (2*n - 1)*(24*n^2 - 42*n + 19).at n=17A160174
• The function W_n(6) (see Borwein et al. reference for definition).at n=34A169711
• Numbers n such that n^6+6 and n^6-6 are prime.at n=27A239429