110984
domain: N
Appears in sequences
- Numbers k such that 2*P(k) + 3, 2*P(k+1) + 5, 2*P(k+2) + 7, 2*P(k+3) + 11 are also consecutive primes where P(i) = i-th prime.at n=0A103874
- Number of different strings of length n+5 obtained from "123...n" by iteratively duplicating any substring.at n=20A137740
- Place a point on the integer coordinates, up to |n|, along all four axial directions on a Cartesian plane, and then join an infinite straight line between every pair of points: a(n) is the number of finite edges created in the resulting graph.at n=9A386561