47093

Properties

Appears in sequences

• Primes of form k^2 + 4.at n=37A005473
• Sum of the elements in the primitive subsets of the integers 1 to n.at n=15A087078
• Primes of the form n^2 + 4n + 8.at n=36A098062
• Numbers k such that 2^k + 11 is prime.at n=24A102633
• Primes from merging of 5 successive digits in decimal expansion of Pi.at n=12A104825
• Primes from merging of 5 successive digits in decimal expansion of e.at n=4A104846
• 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, 0, 1), (0, 0, -1), (1, 0, 1), (1, 1, 0)}.at n=8A150740
• Primes p such that 2^p+11 is a prime.at n=10A155780
• Number of (n+1)X(n+1) -11..11 symmetric matrices with every 2X2 subblock having sum zero and one or three distinct values.at n=8A211712
• Maximum total Hamming distance between pairs of consecutive elements in any permutation of all 2^n binary words of length n.at n=11A271771
• Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=8A305094
• Final elements in rows when A322050 is displayed as a triangle.at n=13A322048
• Prime numbersat n=4858