18434

Appears in sequences

• Numbers that are the sum of 11 positive 11th powers.at n=9A004822
• a(0) = 1, a(n) = 18*n^2 + 2 for n>0.at n=32A010008
• a(0) = 1, a(n) = 32*n^2 + 2 for n > 0.at n=24A010021
• Number of 2's in n-th term of A022482.at n=36A022485
• a(n) = dot_product(1,2,...,n)*(4,5,...,n,1,2,3).at n=35A026040
• Numbers k such that k^2 is palindromic in base 5.at n=20A029988
• a(n) = 2 + 2^(n+1)*(n-1).at n=10A036799
• Triangle of numbers arising in enumeration of walks on square lattice.at n=40A052175
• Least k such that k*10^n-9, k*10^n-7, k*10^n-3 and k*10^n-1 are all prime.at n=9A064432
• Duplicate of A064432.at n=9A064972
• Expansion of (1+x^4*C^4)*C^2, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=9A071755
• Number of A095745-primes in range ]2^n,2^(n+1)].at n=20A095755
• Partial sums of A018805.at n=43A177853
• a(n) is the smallest m for which A188550(m)=n, or a(n)=0 if no such m exists.at n=32A188586
• Number of lower triangles of a 3 X 3 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.at n=18A195249
• Number of permutations of [n] avoiding {1324, 3142, 4231}.at n=10A294804
• Numbers m such that m^2 = p^2 + k^2, with p > 0, where p = A007954(m) = the product of digits of m.at n=22A334542
• Number of graph minors in the n-book graph.at n=6A354670