120401

Properties

Appears in sequences

• Base-7 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,1.at n=6A033125
• Primes which can be expressed as sum of distinct powers of 7.at n=4A077721
• Primes of the form 1+2*n+3*n^2.at n=29A122430
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (-1, 0), (0, 1), (1, -1), (1, 0), (1, 1)}.at n=7A151329
• Primes such that prime plus its digit sum is a perfect square.at n=34A230087
• Primes p such that p + digitsum(p) = q^k for some prime q and k > 1 where digitsum(n) = A007953(n).at n=13A242368
• Prime numbers p such that 3*p - 2 is the square of a prime number.at n=30A289135
• Primes p such that p + A007953(p) is the square of a prime.at n=11A307315
• Prime numbersat n=11335