334639305

Appears in sequences

• Least common multiple of {1,3,5,...,2n-1}.at n=11A025547
• Denominators of alternating sum transform (PSumSIGN) of Harmonic numbers H(n) = A001008/A002805.at n=22A035047
• Denominator of (1/n)*Sum_{k=0..n-1} 1/binomial(n-1,k) for n>0 else 1.at n=24A046879
• a(n) = (2*n+9)!!/9!!, related to A001147 (odd double factorials).at n=7A051583
• a(n) = A111877(n+1)/5.at n=11A111878
• Absolute value of coefficient of term [x^(n-8)] in characteristic polynomial of maximum matrix A of size n X n, where n >= 8. Maximum matrix A(i,j) is MAX(i,j), where indices i and j run from 1 to n.at n=12A112464
• a(n) is the smallest odd composite number m such that m+2 is prime and the set of distinct prime factors of m consists of the first n odd primes.at n=7A136354
• Increasing sequence obtained by union of two sequences A136354 and {b(n)}, where b(n) is the smallest composite number m such that m+1 is prime and the set of distinct prime factors of m consists of the first n primes.at n=15A136357
• Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=8.at n=11A145624
• Numbers with exactly 8 distinct odd prime divisors {3,5,7,11,13,17,19,23}.at n=1A147581
• Denominators of row sums of the triangle (lower triangular matrix) log(F) with F:=A037027 (Fibonacci convolution matrix).at n=24A181350
• Denominators of row sums of the triangle (lower triangular matrix) log(F) with F:=A037027 (Fibonacci convolution matrix).at n=26A181350
• Odd part of lcm(1,2,3,...,n).at n=22A217858
• Odd part of lcm(1,2,3,...,n).at n=23A217858
• Denominator of Sum_{k=1..2n+1} 2^k/k.at n=11A229726
• Denominators of b(n) = b(n-1)/2 + 1/(2*n), b(0)=0.at n=24A241519
• Denominators of the Kirchhoff (and Harary) index for the n-hypercube graph.at n=23A290344
• Denominators of the Kirchhoff (and Harary) index for the n-hypercube graph.at n=24A290344
• Odd numbers k for which A003973(k) >= 2*A003961(k).at n=0A337385
• Primorial inflation of n prime shifted once: a(n) = A003961(A108951(n)).at n=37A337471