24239

Properties

Appears in sequences

• Convolution of (F(2), F(3), F(4), ...) and A014306.at n=20A023656
• Number of partitions of n into parts not of the form 25k, 25k+6 or 25k-6. Also number of partitions with at most 5 parts of size 1 and differences between parts at distance 11 are greater than 1.at n=39A036005
• Numbers n such that 81*2^n-1 is prime.at n=21A050566
• Numbers n such that n, 2n+1, 3n+2, 4n+3 are primes.at n=11A067257
• Safe primes (A005385) (p and (p-1)/2 are primes) such that 12*p+1 is also prime.at n=51A075707
• Primes of the form 8*k-1 such that 4*k-1 and 16*k-1 are also primes.at n=23A101792
• Primes of the form 8*k-1 such that 4*k-1, 16*k-1 and 32*k-1 are also primes.at n=4A101796
• Number of -n..n arrays x(0..4) of 5 elements with zero sum and no element more than one greater than the previous.at n=19A199849
• Numbers m such that m, m-1, m-2 and m-3 are 1,2,3,4-almost primes respectively.at n=34A201220
• Number of partitions of n for which the number of odd parts is equal to the positive alternating sum of the parts.at n=51A277103
• The sum of the sizes of the largest fixed points over all compositions of n.at n=14A335713
• Primes p such that p^3 - 1 has 8 divisors.at n=24A341659
• Smallest prime p = prime(k) such that the n-th difference of (prime(k), ..., prime(k+n)) is zero.at n=15A349643
• Number of integer partitions of n whose distinct parts have non-integer median.at n=43A360689
• Prime numbersat n=2697