18282

Appears in sequences

• Coordination sequence for alpha-Mn, Position Mn1.at n=35A009950
• Integers n > 7059 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 7059.at n=38A063058
• Number of permutations of length n which avoid the patterns 321, 31245.at n=11A116851
• Number of primes between (prime(n + 1))^Pi and (prime(n))^Pi.at n=26A137380
• Number of strings of numbers x(i=1..8) in 0..n with sum i*x(i)^3 equal to 8*n^3.at n=9A184725
• G.f.: A(x) = 1+x + Sum_{n>=2} Product_{k=1..n} (A(x)^k - 1).at n=6A224885
• a(n) = A253174(2^n).at n=18A247085
• Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically.at n=3A258518
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically.at n=24A258522
• Expansion of 1 / ((1 - x)^7*(1 + x)^2).at n=15A299335
• Numbers k such that the total number of digits d in the numbers from 1 to k is even for each d from 0 to 9.at n=38A380642