29383

Properties

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 100 ones.at n=28A031868
• Least prime in A023200 (lesser of 4-twins) such that the distance to the next 4-twin is 6*n.at n=23A052351
• Coefficients of the C-Rogers mod 14 identity.at n=48A105782
• Number of nonempty subsets of {1, 2, ..., n} with <=8 pairwise coprime elements.at n=28A187269
• Number of days after Mar 01 00 such that the date written the format MMDDYY (American standard, short) is palindromic.at n=20A210894
• Number of n X 2 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction.at n=6A221425
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction.at n=29A221429
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction.at n=34A221429
• Primes p with pi(p) and pi(p^2) both prime, where pi(.) is given by A000720.at n=33A237659
• Primes p such that 10p + 1, 100p + 1 and 1000p + 1 are also primes.at n=31A243962
• Indices of the start of 10 successive distinct digits in the decimal expansion of Pi.at n=14A258157
• a(0) = a(1) = a(2) = 1; thereafter a(n) = a(n-1) - (-1)^n*a(n-2) + 2*a(n-3).at n=35A329301
• Smaller term p1 of the first of two consecutive cousin prime pairs (p1,p1+4) and (p2,p2+4) such that the distance (p2-p1) is a square.at n=29A339084
• Triangular array read by rows: T(n,k) is the greatest prime factor of n!*k + 1, n >= 1, 1 <= k <= n.at n=46A362779
• Lesser of sexy happy primes.at n=41A387258
• Prime numbersat n=3191