50461

Properties

Appears in sequences

• Numbers k such that (3^k + 19^k)/22 is prime.at n=6A128075
• Primes p such that q-p = 36, where q is the next prime after p.at n=20A134117
• a(n) = 60*n^2 + 1.at n=29A158673
• Number of 1..4 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.at n=7A171278
• Number of 1..n integer arrays v[1..8] of length 8 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..7.at n=3A171345
• Base-6 pandigital primes: primes having at least one of each digit 0,1,2,3,4,5 when written in base 6.at n=8A175278
• Greater of twin primes p such that 3*p-2 is also greater of twin primes.at n=20A177336
• a(n) is the shyest prime in base n.at n=35A272043
• Triangular array read by rows: T(n, k) = number of occurrences of 2k as a sum |1 - p(1)| + |2 - p(2)| + ... + |n - p(n)|, where (p(1), p(2), ..., p(n)) ranges through the permutations of (1,2,...,n), for n >= 1, 0 <= k <= n-1.at n=54A357329
• k such that 0 = Sum_{j=1..k} A373223(k, j). The indices of the rows in Gauss's triangle with vanishing row sums.at n=24A373181
• Prime numbersat n=5178