88820

Appears in sequences

• Numbers k such that k-1, k-3, k-7 and k-9 are all prime.at n=35A064974
• Number of nonempty subsets of {1,2,...,n} with no gap of length greater than 4 (a set S has a gap of length d if a and b are in S but no x with a < x < b is in S, where b-a=d).at n=16A119407
• 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, -1, 1), (0, 1, -1), (1, -1, 0), (1, 0, 1)}.at n=10A148952