41381

Properties

Appears in sequences

• Primes p from A031924 such that A052180(primepi(p)) = 29.at n=18A052236
• Number of non-intersecting polygons that it is possible for an accelerating ant to produce with n steps (rotations & reflections not included). On step 1 the ant moves forward 1 unit, then turns left or right and proceeds 2 units, then turns left or right until at the end of its n-th step it arrives back at its starting place.at n=39A101856
• Primes p such that 2p+1, 4p+3, 6p+5 are all primes.at n=29A107020
• Prime numbers p for which none of its digits appear in the decimal expansion of p/pi(p).at n=27A117272
• a(n) = 38*n^2 - 1.at n=32A158596
• Triangle interpolating the swinging factorial (A056040) restricted to odd indices with its binomial transform. Same as interpolating the beta numbers 1/beta(n,n) (A002457) with (A163869). Triangle read by rows, for n >= 0, k >= 0.at n=21A163842
• Binomial transform of the beta numbers 1/beta(n+1,n+1) (A002457).at n=6A163869
• Primes obtained from other primes by prefixing a 4.at n=42A165444
• Primes p with P(p-1) also prime, where P(.) is the partition function (A000041).at n=24A234569
• Primes of the form abs(103*n^2 - 4707*n + 50383) in order of increasing nonnegative n.at n=2A267252
• Primes in A240860 (up to sign).at n=10A339957
• Primes p such that (p^128 + 1)/2 is prime.at n=25A341230
• Primes p such that (p mod s) and (p mod t) are consecutive primes, where s is the sum of the digits of p and t is the product of the digits of p.at n=29A344127
• Number of terms of A086893 in the interval [A372444(n), A372444(1+n)].at n=14A372452
• Prime numbersat n=4329