48757
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Least k such that the first k terms of the Kolakoski sequence (A000002) contain n more 2's than 1's.at n=26A025503
- Primes from merging of 5 successive digits in decimal expansion of exp(2).at n=19A105001
- Prime Friedman numbers.at n=37A112419
- Primes p such that p, p+4, p+10, p+22, p+24, p+42 are all primes.at n=16A144594
- Primes of the form sum_{j=1..n} (-1)^j *prime(j)*prime(j+1).at n=5A197422
- Position of first appearance of each integer in A088568 (number of 1's minus number of 2's in first n terms of A000002).at n=38A288605
- a(n) = index where A088568 (or equally A294448) first reaches or exceeds n in magnitude.at n=26A294449
- Numbers k such that k*(k+1) divides tribonacci(k) (A000073(k)).at n=11A299156
- Primes p such that if q and r are the next two primes, 6*q-r, 6*q-p, 6*q+p and 6*q+r are all prime.at n=18A351636
- Primes having only {4, 5, 7, 8} as digits.at n=42A386190
- Prime numbersat n=5012