206021

Properties

Appears in sequences

• Primes p such that p, p+6, p+12, p+18 are consecutive primes and p=6*k+5 for some k.at n=30A090834
• 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, 0), (0, 0, 1), (1, 0, -1), (1, 1, -1)}.at n=11A148786
• Lexicographically earliest sequence of distinct terms > 0 such that the sum a(n) + a(n+1) is a substring of the concatenation (a(n), a(n+1)).at n=10A359482
• Prime numbersat n=18466