68973

Appears in sequences

• Second elementary symmetric function of the first n terms of (2,2,3,3,4,4,5,5...).at n=34A203299
• Number of numbers in row n of the array at A243848.at n=26A243850
• Number of length 3+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=25A250322