49549

Properties

Appears in sequences

• Smallest prime > 2n+1 beginning and ending with 2n+1, or 0 if no such prime exists.at n=24A070278
• Smallest prime beginning and ending in 2n+1 or 0 if no such prime exists.at n=24A071234
• Numbers k such that (14^k + 5^k)/19 is prime.at n=6A128343
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 499", based on the 5-celled von Neumann neighborhood.at n=39A272562
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)^2, where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A296248
• Primes having only {4, 5, 9} as digits.at n=17A385793
• Primes having only {0, 4, 5, 9} as digits.at n=38A386071
• Primes having only {4, 5, 6, 9} as digits.at n=39A386189
• Primes having only {4, 5, 8, 9} as digits.at n=32A386192
• Prime numbersat n=5092