3145721

Properties

Appears in sequences

• Partial sums of A162396.at n=36A164120
• Primes of the form k*6^m - 1, where k is a Mersenne prime (A000668) and m >= 0.at n=11A186687
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=10A271017
• a(2*n) = 9*2^n - 7, a(2*n+1) = 3*2^(n+2) - 7.at n=37A354789
• Prime numbersat n=226549