67320

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/21).at n=36A011931
• a(n) = (n-1)*(2*n-1)*(3*n-1).at n=23A033594
• Number of partitions satisfying cn(0,5) < cn(1,5) + cn(4,5).at n=43A039842
• Numbers that can be expressed as the difference of the squares of primes in exactly eight distinct ways.at n=12A092004
• a(n) = (n+1)*(n+2)^2*(n+3)^2*(n+4)*(3n^2 + 15n + 20)/2880.at n=7A107891
• Weight distribution of [255,63,63] primitive binary BCH code.at n=65A151935
• Theta series of dual-extremal lattice of level 2 and dimension 20 (DualExtremal(20,2)a).at n=4A151985
• Number of ON cells at n-th stage of three-dimensional version of the cellular automaton A160410, using cubes.at n=27A160428
• Given M = triangle A122196 as an infinite lower triangular matrix, this sequence is lim_{k->infinity} M^k.at n=39A171238
• Numbers with prime factorization p*q*r*s^2*t^3 (where p, q, r, s, t are distinct primes).at n=12A190111
• Integers n such that n^2 = 2*x*(y-x), where x and y are consecutive terms in A014574.at n=26A255230
• Integers i such that the equation A088387(i) = p has N > 1 solutions in the interval prevprime(i)..nextprime(i).at n=36A308617
• Sum of the odd parts in the partitions of n into 8 parts.at n=40A309629
• Numbers k such that k and k+1 are both divisible by the total binary weight of their divisors (A093653).at n=26A338514
• Expansion of e.g.f. 1 / (1 - x^5 * exp(x) / 5!).at n=12A346893
• The largest denominator that can be made from n repeated applications of the maps f(x) = x + 1 or g(x) = -1/x, starting from 0.at n=42A350391
• Expansion of Product_{k>=0} 1 / (1 - x^(3^k))^3.at n=34A374627
• a(n) = Sum_{k=0..floor(n/4)} |Stirling1(n,4*k)|.at n=9A384836