227609

Properties

Appears in sequences

• Start of a string of exactly 3 consecutive (but disjoint) pairs of twin primes.at n=24A035791
• Lesser of the first pair of three successive prime pairs (no isolated primes occur in between). Least of the six successive primes which are member of prime pairs.at n=31A090953
• First of six consecutive primes that are three sets of twin primes.at n=30A136143
• Number of binary strings of length n with equal numbers of 0000 and 1001 substrings.at n=20A164153
• a(n+3) = -a(n+2) - 2*a(n+1) + a(n) with a(0)=3, a(1)=-1, a(2)=-3.at n=25A276228
• Prime numbersat n=20235