26003

Properties

Appears in sequences

• Primes which are not the sum of consecutive composite numbers.at n=43A037174
• Denominators of continued fraction convergents to sqrt(951).at n=12A042841
• Primes of the form 6n^2 - 2n - 1.at n=23A099007
• The smallest prime p that makes the pair p+/-6n both primes while no other pair of p+/-6k+6*n, 0<k<n both primes.at n=55A139602
• 1 together with terms of A037174.at n=44A140464
• 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), (0, 1, -1), (1, 0, 1)}.at n=8A150396
• Numbers k such that A(k+1) = A(k) + 1, where A() = A005101() are the abundant numbers.at n=28A169822
• Primes of the form floor( (k*(sqrt(3)*k-1))/sqrt(2) ).at n=21A180449
• Number of partitions of n minus the number of primes <= n.at n=37A183151
• Irregular triangle in which row n has the values of k>n such that Sum_{i=n..k} i^2 is a square.at n=66A184763
• Number of zero-sum nX3 -2..2 arrays with every element equal to at least one horizontal or vertical neighbor.at n=3A201886
• Number of zero-sum nX4 -2..2 arrays with every element equal to at least one horizontal or vertical neighbor.at n=2A201887
• T(n,k)=Number of zero-sum nXk -2..2 arrays with every element equal to at least one horizontal or vertical neighbor.at n=17A201888
• T(n,k)=Number of zero-sum nXk -2..2 arrays with every element equal to at least one horizontal or vertical neighbor.at n=18A201888
• Primes of the form 10n^2 - 7.at n=8A201963
• a(n) is a prime number that cannot be the center term of a length 3 arithmetic progression prime group with a common difference whose number of runs in binary expansion is 2.at n=28A231387
• Prime numbers for which the sum of reciprocals of nonzero digits equals 1.at n=6A239685
• Primes which are not the sum of two or more consecutive nonprime numbers.at n=41A257393
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 553", based on the 5-celled von Neumann neighborhood.at n=29A272848
• Primes p such that p^5 - 1 has 8 divisors.at n=26A341665