62985

Appears in sequences

• Number of compositions of n into 5 ordered relatively prime parts.at n=33A000743
• Convolution of nonzero squares A000290 with themselves.at n=16A033455
• Group odd numbers into (1), (3,5), (7,9,11), (13,15,17,19), ...; a(n) = product of n-th group.at n=3A062032
• Group the odd numbers as (1), (3,5), (7,9,11), (13,15,17,19), (21,23,25,27,29), ... then a(n) = LCM of the n-th group.at n=3A062079
• Successive maxima in sequence A007365.at n=20A065933
• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n has exactly 5 distinct prime factors and n is squarefree.at n=17A071144
• One sixtieth the product of primitive Pythagorean triangles' sides whose odd values differ by 2.at n=8A081219
• Denominator of 2*Sum(C(n,w)/(2*w+1),w=0..n/2-1)+C(n,n/2)/(n+1) if n is even, or of 2*Sum(C(n,w)/(2*w+1),w=0..(n-1)/2) if n is odd.at n=33A085569
• Numbers with exactly one arithmetic progression of four successive divisors (not necessarily consecutive).at n=30A094530
• Denominator of -16/((n+2)*n*(n-2)*(n-4)).at n=16A117465
• a(n) is the smallest m such that m*(m+1) is divisible by the first n prime numbers.at n=7A118478
• Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where x>y and z>t are distinct pairs of integers with gcd(x,y)=gcd(z,t)=1.at n=13A147856
• a(n) = (4*n+1)*(4*n+3)*(4*n+5)*(4*n+7).at n=3A154633
• a(n) = (2*n^3 + 5*n^2 - 7*n)/2.at n=38A162261
• Numbers k such that k-4, k-2, k+2 and k+4 are prime.at n=27A173037
• Smallest m such that the n-th odd prime is the smallest number coprime to m and m+1.at n=7A179675
• a(n) = floor(1/{(10+n^4)^(1/4)}), where {}=fractional part.at n=53A184634
• a(n) = n*(n+2)*(n+4)*(n+6).at n=12A190577
• Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k.at n=3A200090
• a(n) = n*(n + 1)*(n + 2)*(4*n - 3)/6.at n=17A264851