37530

Appears in sequences

• Numbers n such that n is a substring of its square in base 3 (written in base 10).at n=35A018827
• Numbers n such that n is a substring of its square in base 9 (written in base 10).at n=12A018833
• Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LEV = Levyne Ca9[Al18Si36O108].50H2O starting with a T2 atom.at n=6A019025
• Numbers k whose decimal representation, read as a base-12 value and divided by k, yields an integer.at n=25A032555
• Sum_{k=2..n} min(k,n-k)*phi(k)*(n-k).at n=33A092274
• Sum of the numbers already killed in the first jump of a Sieve of Eratosthenes table.at n=39A179628
• Number of nX2 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=6A201830
• Number of nX7 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=1A201835
• T(n,k)=Number of nXk 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=29A201836
• T(n,k)=Number of nXk 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.at n=34A201836
• The magic constants of most-perfect magic squares of order 6 composed of distinct prime numbers.at n=1A258755
• p-INVERT of the positive integers, where p(S) = 1 - S - S^2 - S^3 - S^4.at n=8A291030
• a(n) = n*((4*n + 1)*(7*n - 4) + 15*n*(-1)^n)/48.at n=39A302766