153329
domain: N
Appears in sequences
- Engel expansion of -log(log(2)) = 0.36651292... .at n=11A059200
- 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, -1, 0), (-1, 1, -1), (-1, 1, 1), (0, 1, 1), (1, -1, -1)}.at n=12A148262
- Integers n such that the century defined by the interval [100n+1, 100n+100] (i.e., the (n+1)-st century) contains exactly one Ormiston prime pair and no other primes.at n=27A162895