19313

Appears in sequences

• Numbers k > 1 such that k mod ord2(k) is even, where ord2(k) is the order of 2 mod k.at n=29A036260
• Numbers n such that p(5n) is prime, where p(n) is the number of partitions of n.at n=37A114166
• a(n) = the smallest multiple of the n-th prime such that (a(n)+1) is divisible by both the (n-1)th prime and the (n+1)st prime.at n=9A143243
• Values k: A165495(k) is odd.at n=46A165496
• Odd integers n such that 2^n == 2^8 (mod n).at n=3A215611
• Odd numbers n such that 2^d(n) == 2^n (mod n) where d = A000005.at n=2A292562