41341

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(137).at n=10A041250
• Numerators of continued fraction convergents to sqrt(548).at n=8A042048
• Numbers n such that (6^n + 1)/7 is a prime.at n=13A057172
• Consider sequence of fractions A066657/A066658 produced by ratios of terms in A066720; let m = smallest integer such that all fractions 1/n, 2/n, ..., (n-1)/n have appeared when we reach A066720(m) = k; sequence gives values of m; set a(n) = -1 if some fraction i/n never appears.at n=19A066849
• Primes p such that sigma(k) = phi(prime(k)-1), where p = prime(k).at n=18A107815
• Primes p containing the string "13" and sum of digits sod(p) = 13.at n=30A175017
• 1, followed by list of numbers n such that the number of strong primes and the number of weak primes are equal at the n-th prime.at n=31A175102
• Primes of the form 6n^2 + 7.at n=34A201601
• Primes of the form abcabc..abcab.at n=35A228627
• Primes p such that the sum of the squares of digits of p equals the sum of digits of p^2.at n=17A290972
• Smallest k such that A073734(k) = n, where A073734 is the GCD of consecutive terms of the EKG sequence A064413.at n=48A382222
• Consecutive states of the linear congruential pseudo-random number generator (3613*s + 45289) mod 214326 when started at s=1.at n=30A385363
• Prime numbersat n=4326