128377
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2*k if k <= floor(n/2) otherwise 2*(n-k), and m = 2, read by rows.at n=30A157277
- Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2*k if k <= floor(n/2) otherwise 2*(n-k), and m = 2, read by rows.at n=33A157277
- Emirps p such that both p and its reversal are sums of three consecutive primes.at n=21A345472
- Indices of the primes that have the same base-10 digits as the corresponding prime number (with multiplicity), disregarding zero digits.at n=23A355318
- Prime numbersat n=12018