235273

Properties

Appears in sequences

• 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, 0), (0, 0, 1), (1, -1, 0), (1, -1, 1), (1, 1, -1)}.at n=11A148478
• Primes whose base-6 representation is a square when read in base 10.at n=34A267820
• a(n) = (n+1)*Sum_{k=0..(n-1)/2}((binomial(2*n-3*k-2,n-k-1))/(n-k)).at n=11A270363
• Prime numbersat n=20855