119810

Appears in sequences

• Fixed points of permutation A113821.at n=10A115640
• The hyper-Wiener index of the straight pentachain of n pentagonal rings (see Fig. 2.1 in the A. A. Ali et al. reference).at n=19A224460
• Number of (n+1) X (5+1) arrays of permutations of 0..n*6+5 with each element having directed index change -2,-2 -1,0 0,1 or 1,0.at n=5A264531
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -2,-2 -1,0 0,1 or 1,0.at n=50A264534
• Number of (6+1) X (n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -2,-2 -1,0 0,1 or 1,0.at n=4A264539
• a(n) is the largest number that can be expressed as the sum of three triangular numbers in exactly n ways.at n=33A330810
• a(n) is the largest number that can be expressed as the sum of three positive triangular numbers in exactly n ways.at n=34A330811