41413

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 97.at n=27A020436
• Numbers whose set of base-14 digits is {1,4}.at n=32A032826
• Primes of the form 4*k^2 - 10*k + 7 with k positive.at n=32A073337
• Smallest prime of the form concatenation(s) of prime(n) with itself followed by a 3, or 0 if no such prime exists.at n=12A092993
• Smallest of 3 consecutive prime numbers such that p1*p2*p3*d1*d2=average of twin prime pairs; p1,p2,p3 consecutive prime numbers; d1(delta)=p2-p1, d2(delta)=p3-p2.at n=27A153409
• Larger of 3 consecutive prime numbers such that p1*p2*p3*d1*d2=average of twin prime pairs; p1,p2,p3 consecutive prime numbers; d1(delta)=p2-p1, d2(delta)=p3-p2.at n=26A153411
• Primes p containing the string "13" and sum of digits sod(p) = 13.at n=31A175017
• Primes of the form n^2 + n + 1, where n is semiprime.at n=17A193144
• Primes of the form 5n^2 + 8.at n=14A201486
• Primes formed by concatenating k, k and 3 for k >= 1.at n=13A210512
• Least integer k such that the n-th prime of form m^2+1 divides the composite number k^2+1.at n=34A255675
• T(n,k) is an array read by rows, with n > 0 and k=1..4, where row n gives four prime numbers in increasing order with locations in right angles of each concentric square drawn on a distorted version of the Ulam spiral.at n=16A271725
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 758", based on the 5-celled von Neumann neighborhood.at n=40A273490
• Number of edge covers in the n-antiprism graph.at n=4A284700
• Primes p such that the sum of the squares of digits of p equals the sum of digits of p^2.at n=18A290972
• Brazilian primes that are also the greater of a pair of twin primes.at n=27A306889
• a(n) = (4*n^3 + 30*n^2 + 50*n)/3 + 1.at n=29A323218
• Indices k at which either the leading digit or the length of A121805(k) changes.at n=41A367358
• Number of binary strings of length n with more 000 than 001 substrings.at n=17A371662
• Prime numbersat n=4334