48397

Properties

Appears in sequences

• Primes of form k^2 - 3.at n=36A028874
• Primes of the form 3n^2 + 10.at n=20A201480
• a(n) = 3*a(n-2) + a(n-3) + a(n-5) - 3*a(n-6) - a(n-7), where a(0) = 2, a(1) = 4, a(2) = 7, a(3) = 14, a(4) = 25, a(5) = 47, a(6) = 88, a(7) = 166.at n=16A287185
• Record values in A306400.at n=18A339096
• Left-truncatable happy numbers: every suffix is a happy number and no digits are zero.at n=28A383639
• Prime numbersat n=4978