25579

Properties

Appears in sequences

• Numbers whose square is palindromic in base 12.at n=35A029737
• Primes p(x) satisfying the following conditions: (a) A082882(x)=1; (b) {p(x),p(x+1)} are not twin primes; (c) values of A075860(j) for j composites between these two non-twin primes are identical.at n=11A082883
• a(n) is least prime p such that 7 is the n-th term in the Euclid-Mullin sequence starting at p, or 0 if no such prime p exists.at n=32A094153
• Primes p such that p, p+4, p+10, p+22, p+24, p+42 are all primes.at n=12A144594
• a(n) equals the number of admissible pairs of subsets of {1,2,...,n} in the notation of Marzuola-Miller.at n=11A158448
• a(n) = 58*n^2 + 1.at n=21A158666
• Primes p with property that there exists a number d>0 such that numbers p-k*d, k=1...7, are seven primes.at n=35A216590
• Number of (n+3) X 6 0..2 matrices with each 4 X 4 subblock idempotent.at n=11A224723
• Number of partitions p of n not containing ceiling((min(p) + max(p))/2) as a part.at n=39A238485
• Greater of twin primes of (40n-23,40n-21).at n=34A244505
• Twin primes both of which are the sum of three positive cubes.at n=19A272376
• a(n) is the least number such that d(a(n)) = d(R(a(n)))/n, where R(n) is the digit reverse of n and d(n) is the number of divisors of n.at n=19A284495
• Prime powers of the form 12*c^2 + 4*c + 3, where c is an arbitrary integer.at n=32A309027
• Primes p such that (p+2)/3 and (p+3)/2 are prime.at n=47A338410
• Number of compositions of n with all adjacent parts (x, y) satisfying x > 2y or y = 2x.at n=63A342336
• Prime numbersat n=2816