172169

Properties

Appears in sequences

• Number of nX(n+2) arrays of permutations of n+2 copies of 0..n-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo n and the upper left element equal to 0.at n=4A267022
• Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo 5 and the upper left element equal to 0.at n=6A267024
• Primes formed by concatenating n with n-3.at n=16A279213
• Numbers k such that the continued fraction for sqrt(k) has period 365.at n=19A378955
• Prime numbersat n=15680