22963

Properties

Appears in sequences

• Numbers having four 4's in base 9.at n=3A043472
• Numbers whose base-3 representation contains exactly one 0 and no 2's.at n=37A044994
• Initial prime in first sequence of n primes congruent to 3 modulo 5.at n=3A057631
• Smallest prime p such that 2*p+1 has n prime factors (with multiplicity).at n=8A072060
• Number of ways associated with A088959.at n=27A088111
• Let n range through the odd numbers skipping multiples of 5; a(n) = n-th prime ending in n.at n=25A089779
• Numbers k such that (7^k + 5^k)/12 is prime.at n=9A128337
• a(n) = (n^3 - n + 9)/3.at n=40A155753
• Primes p such that p^3-p^2-1 and p^3-p^2+1 are prime.at n=35A160858
• a(n) = (7*9^n - 1)/2.at n=4A198964
• Primes or negative values of primes of the form 59*n^2 - 1873*n + 8941 for n>=0.at n=38A217604
• Primes p such that floor(log(p)) + p^2 is prime.at n=22A225626
• a(n) = 3^(n+1) + (3^n-1)/2.at n=8A237930
• Array A read by upward antidiagonals: A(n,k) = ((2*n+1)*9^k-1)/2, n,k >= 0.at n=32A255044
• a(0) = 2; for n>0, a(n) = smallest prime p such that p > a(n-1) and p is congruent to n modulo prime(n).at n=43A261192
• Primes p such that p=prime(k), prime(k+1), and prime(k+2) end in the same digit.at n=20A328452
• a(n) = n+1 for n <= 2; otherwise a(n) = 3*a(n-3)+1.at n=26A329774
• Prime numbersat n=2562