206158430207
domain: N
Appears in sequences
- Least m which can be written as i*j+i+j in n different ways: A072670(m)=n.at n=36A072671
- Numbers of the form 3*2^(p - 1) - 1 where p is prime.at n=11A097743
- a(n) = 3*4^n-1.at n=18A198693
- a(n) = 3*8^n-1.at n=12A198851
- Decimal representation of the n-th iteration of the "Rule 185" elementary cellular automaton starting with a single ON (black) cell.at n=19A267614