59712

Appears in sequences

• Partial sums of the central Delannoy numbers (A001850).at n=7A089165
• Number of ways to write the permutation n,n-1,...,1 of 1,2,...,n as a product of n(n-1)/2 transpositions, where each transposition of 1,2,...,n occurs exactly once.at n=5A092238
• a(n) = (4*n^3 + 6*n^2 + 8*n + 6)/3.at n=35A100504
• Irregular triangle read by rows: rows are partial alternating sums of rows of A297191.at n=56A297193
• Left-hand half of triangle A297193.at n=35A297194