44360

Appears in sequences

• Numbers n such that n through n+6 are divisible by the same number of distinct primes.at n=23A045935
• Numbers n such that n through n+7 are divisible by the same number of distinct primes.at n=3A045936
• Numbers n such that n through n+8 are divisible by the same number of distinct primes.at n=0A045937
• Numbers k such that n or more consecutive integers starting at k have the same number of distinct prime divisors.at n=8A045983
• Let d(n) = number of distinct primes dividing n (A001221). Find smallest t such that d(t)=d(t+1)=...=d(t+n-1) but d(t-1) and d(t+n) are not = d(t); then a(n)=t.at n=8A048932
• Let d(n) = number of distinct primes dividing n (A001221); sequence gives t such that d(t)=d(t+1)=...=d(t+n-1) is a run of record length.at n=5A048971
• Number of asymmetric types of (4,n)-hypergraphs without isolated nodes, under action of symmetric group S_4; asymmetric n-covers of an unlabeled 4-set.at n=6A055539
• Duplicate of A045983.at n=8A075042
• a(n) is the first number in the first run of at least n successive numbers, all having exactly 3 distinct prime factors.at n=8A080569
• Integers that are Rhonda numbers to base 9.at n=3A100973
• Initial term of first run of exactly n consecutive numbers with 3 distinct prime factors.at n=8A185032
• a(n) = n-th Rhonda number to base b = n-th composite number, cf. A002808.at n=3A255880
• A(n,k) is the n-th Rhonda number to base A002808(k), the k-th composite number; square array A(n,k), n>=1, k>=1, read by antidiagonals.at n=24A291925
• Numbers k such that Bernoulli number B_{k} has denominator 13530.at n=32A295587
• Smallest positive number k such that there are exactly n successive equal values of A001221 starting at k, i.e., such that A305234(k) = n.at n=8A305235