196350

Appears in sequences

• Numbers k such that phi(k) < k/5.at n=24A066765
• Numbers with prime factorization pqrstu^2.at n=26A189985
• Number of (n+2) X 3 binary arrays avoiding patterns 000 and 001 in rows, columns and nw-to-se diagonals.at n=6A202428
• Number of (n+2) X 9 binary arrays avoiding patterns 000 and 001 in rows, columns and nw-to-se diagonals.at n=0A202434
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 001 in rows, columns and nw-to-se diagonals.at n=21A202435
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 001 in rows, columns and nw-to-se diagonals.at n=27A202435
• The Wiener index of the Kneser graph K(n,2) (n>=5).at n=30A228306
• Number of ways to place 2 points on a triangular grid of side n so that they are not adjacent.at n=33A239568
• Numbers with a record number of deficient divisors.at n=32A335542