26267

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 4.at n=12A023325
• Multiplicity of highest weight (or singular) vectors associated with character chi_25 of Monster module.at n=41A034413
• Start of the first run of exactly n consecutive primes, none of which are twin primes.at n=35A065044
• Numbers k such that Lucas(2k)/3 is prime.at n=20A074304
• Number of configurations that require a minimum of n moves to be reached, starting with the empty square at mid-side of a boundary of an infinitely large extension of Sam Loyd's sliding block 15-puzzle.at n=10A090378
• Let p = prime(sigma(n)) and q = prime(phi(n)), then p is in the sequence if p-q = 6.at n=32A103176
• Primes p such that q-p = 26, where q is the next prime after p.at n=12A124594
• Primes p1 such that p1^3+p2^2=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2.at n=19A138735
• a(n) is the smallest prime p beginning with 2n such that the difference between p and the next prime is 2n.at n=12A162357
• Primes formed by concatenating k, k, and 7.at n=7A210513
• Number of n X 3 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 4 binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=6A226867
• T(n,k)=Number of nXk (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X(k+1) binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=38A226870
• T(n,k)=Number of nXk (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X(k+1) binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=42A226870
• Primes equal to a centered pentagonal number plus 1.at n=19A285810
• Number of unlabeled rooted trees with n nodes in which all positive outdegrees are odd.at n=17A298118
• Primes p such that q^2 - p^2 + 1 is the square of a composite number where p and q are consecutive primes.at n=27A316934
• Primes of the form p+q*(r+s), where p,q,r,s are consecutive primes.at n=11A343449
• Primes p such that neither g-1 nor g+1 is prime, where g is the gap from p to the next prime.at n=21A355485
• Primes having only {2, 6, 7} as digits.at n=17A385787
• Primes having only {0, 2, 6, 7} as digits.at n=31A386051