70828

Appears in sequences

• Related to number of irreducible stick-cutting problems.at n=21A022541
• Numbers k such that 75*2^k-1 is prime.at n=43A050563
• Number of (n+1)X(4+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=12A237633
• a(1)=2, a(2)=3; then a(n+1) = smallest k such that S(k) = S(a(n)) + S(a(n-1)), (n>=2), where S is sopfr (A001414).at n=19A330988