79241

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 19.at n=30A031607
• Primes of the form p^2 + p - 1 when p is prime.at n=24A053185
• Fourth row of the Pascal-(1,4,1) array A081579.at n=16A081588
• Primes of the form (p*(q-1) + (p-1)*q)/2, where p and q are consecutive odd primes.at n=11A099911
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, -1, 1), (0, 1, -1), (0, 1, 1), (1, 1, 1)}.at n=8A150991
• Primes of the form n^2 + phi(n).at n=38A264771
• Prime numbersat n=7766