44753

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 2x + 7.at n=28A023275
• Primes p such that googol - p is prime.at n=34A108252
• Primes p2 such that p1^2 + p2^3 is an average of twin primes and p1 < p2 are consecutive primes.at n=39A138716
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1111-0110 pattern in any orientation.at n=14A146616
• The number of tilings of a 5 X (4n) floor with 1 X 4 tetrominoes.at n=7A236579
• P(n,k) is an array read by rows, with n > 0 and k=1..5, where row n gives the chain of 5 consecutive primes {p(i), p(i+1), p(i+2), p(i+3), p(i+4)} having the symmetrical property p(i) + p(i+4) = p(i+1) + p(i+3) = 2*p(i+2) for some index i.at n=28A267028
• Sum of the third largest parts in the partitions of n into 7 parts.at n=47A308931
• Prime numbersat n=4651