22769

Properties

Appears in sequences

• Number of partitions of n into parts not of the form 23k, 23k+8 or 23k-8. Also number of partitions with at most 7 parts of size 1 and differences between parts at distance 10 are greater than 1.at n=38A035996
• Primes that are concatenations of k-th prime and k-th composite.at n=5A038531
• Numbers k such that 27*2^k-1 is prime.at n=36A050539
• Primes p that have exactly three primitive roots that are not primitive roots mod p^2.at n=8A060519
• Primes of the form p = prime(k) = (prime(k+3)+prime(k-1))/2.at n=21A126238
• INVERT transform of the cubes A000578.at n=6A144109
• Primes whose reversal - 1 is a square.at n=35A167218
• Primes of form n^2 + 10000.at n=21A256838
• Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/(1 - Sum_{j>=1} j^k*x^j).at n=62A320251
• Prime numbersat n=2544