185422

Appears in sequences

• Number of senary sequences of length n such that no two consecutive terms have distance 1.at n=8A287806
• Number of maximal 1-intersecting families of 3-sets of [n]={1,2,...,n}.at n=9A318112
• a(n) is the number of consecutive even prime gap pairs (g1, g2) satisfying g1 == 0 (mod 6) and g2 == 0 (mod 6) out of the first 2^n consecutive even prime gap pairs.at n=20A345332