18722

Appears in sequences

• Expansion of the reciprocal of the g.f. defining A039924.at n=18A003116
• Numbers having four 4's in base 8.at n=18A043440
• Eighth column of quintinomial coefficients.at n=9A064057
• Members of A000124 which are multiples of 11.at n=35A083511
• Take the list t(n,0) = {1,...,n}; denote by t(n,j) this list after rotating to left (or right) by j positions. Calculate inner product of t(n,0) and t(n,j) and denote the value by s(n,j). Compute this inner product for all j = 1..n and choose the smallest. This is a(n).at n=43A088003
• Fifth column of the (1,4)-Pascal triangle A095666.at n=21A095667
• Number of binary strings of length n with equal numbers of 00000 and 00101 substrings.at n=15A164182
• The number of ordered ways to achieve a score of n in darts.at n=12A167213
• a(n) = n*(n+1)*(5*n+1)/3.at n=22A174814
• Sum of the abscissae of the first returns to the horizontal axis (assumed to be 0 if there are no such returns) in all dispersed Dyck paths of length n (i.e., Motzkin paths of length n with no (1,0) steps at positive heights).at n=14A191313
• Triangle of coefficients of polynomials u(n,x) jointly generated with A210194; see the Formula section.at n=50A210193
• Least number m such that there exist exactly n pairs of numbers (a,b), 0 < a < b < m, such that a+b, a+m, and b+m are all squares.at n=25A246766
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 462", based on the 5-celled von Neumann neighborhood.at n=38A272311
• a(n) = A086330(prime(n)).at n=44A371035