3011753745

Appears in sequences

• a(n) = (2*n+7)!!/7!!, related to A001147 (odd double factorials).at n=8A051581
• Increasing sequence obtained by union of two sequences {b(n)} and {c(n)}, where b(n) is the smallest odd composite number m such that both m-2 and m+2 are prime and the set of distinct prime factors of m consists of the first n odd primes and c(n) is the smallest composite number m such that both m-1 and m+1 are primes and the set of the distinct prime factors of m consists of the first n primes.at n=16A136358
• Numbers with exactly 8 distinct odd prime divisors {3,5,7,11,13,17,19,23}.at n=13A147581
• a(n) = (2*n+1)!! / ((floor((n-1)/3)*2+1))!!at n=11A220747
• Odd numbers k for which A003973(k) >= 2*A003961(k).at n=13A337385
• Positions of records in A188170.at n=33A343135
• Positions of records in A188171.at n=31A343136
• Positions of records in A188172.at n=31A343137
• a(n) = n*(n+2)*(n+4)*(n+6)*(n+8)*(n+10)*(n+12)*(n+14).at n=9A346515
• Obverse convolution (n)**(3n+2); see Comments.at n=7A374866