74317

Properties

Appears in sequences

• 1/16 the number of (n+1) X 3 0..3 arrays with all 2 X 2 subblocks having the same four values.at n=13A184032
• Primes p such that, for p < q < r three consecutive primes, p + 2q + 2r, 2p + q + 2r and 2p + 2q + r are all primes.at n=6A216262
• Emirps p such that p == 1 (mod s) and R(p) == 1 (mod s), where R(p) is the digit reversal of p and s the sum of digits of p.at n=31A356947
• Prime numbersat n=7332