35981
domain: N
Appears in sequences
- Position of first repeat of the opening sequence of length n occurring after the first repeat of the opening sequence of length n-1 in the Kolakoski sequence (A000002).at n=42A074300
- Smallest semiprime such that n primes will follow until the next semiprime.at n=7A088701
- Start of record gap in odd semiprimes A046315.at n=11A114057
- a(n) is the smallest semiprime such that difference between a(n) and next semiprime, b(n), is n.at n=37A131109
- a(n) = least member of A006881 whose difference from the following one equals n, or 0 if no such semiprime exists.at n=37A140784
- Least semiprime m such that the next semiprime is m + A215231(n).at n=14A215232
- Rank of first single 1 in A000002 such that A249949 takes the value n.at n=7A249952
- Expansion of (x^5-2*x^4+2*x^3-x+1)/(x^4-2*x^3+3*x^2-3*x+1).at n=18A271827
- a(n) is the smallest semiprime followed by gap (to the next semiprime) equal to n-th semiprime.at n=13A278349
- Number of partitions of n with up to eight distinct kinds of 1.at n=24A320695
- a(n) is the lower end of a record gap A349995(n) between consecutive odd squarefree semiprimes (A046388).at n=10A350098