22783

Properties

Appears in sequences

• Numbers k such that 149*2^k+1 is prime.at n=26A032424
• Number of partitions satisfying (cn(2,5) <= cn(1,5) and cn(3,5) <= cn(1,5) and cn(2,5) <= cn(4,5) and cn(3,5) <= cn(4,5)).at n=46A036802
• Primes p such that the decimal expansion of p remains prime under two iterations of base-10 to base-2 conversions.at n=8A123266
• Right truncatable primes in base 9 (written in decimal form).at n=45A129693
• The smallest odd prime factor of the Lucas-Lehmer number A003010(n).at n=5A177879
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.at n=15A279719
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 777", based on the 5-celled von Neumann neighborhood.at n=15A290293
• The first of three consecutive primes the sum of which is equal to the sum of three consecutive hexagonal numbers.at n=6A298273
• Prime numbersat n=2546