37977

Appears in sequences

• a(0) = 1, a(n) = 31*n^2 + 2 for n>0.at n=35A010020
• All 81 combinations of prefixing and following a(n) by a single digit are nonprime.at n=25A032734
• The indices of cubes (of primes) in the 3-almost primes.at n=15A128302
• Indices of records in A157190: prime(a(n)) can be written in more ways as pq-p-q (p,q, prime) than any smaller prime.at n=12A157191
• Expansion of f(-x^3, -x^5) * f(x^3, x^13) / (f(-x, -x^2) * f(-x^8, -x^16)) in powers of x where f(, ) is Ramanujan's general theta function.at n=48A258939
• Least positive integer m with prime(m)+2 and prime(prime(m))+2 both prime such that prime(m*n)+2 and prime(prime(m*n))+2 are both prime.at n=5A259487